Citizen science explained

Citizen science (similar to community science, crowd science, crowd-sourced science, civic science, participatory monitoring, or volunteer monitoring) is research conducted with participation from the general public, or amateur/nonprofessional researchers or participants for science, social science and many other disciplines.[1] [2] There are variations in the exact definition of citizen science, with different individuals and organizations having their own specific interpretations of what citizen science encompasses.[1] Citizen science is used in a wide range of areas of study including ecology, biology and conservation, health and medical research, astronomy, media and communications and information science.[1] [3]

There are different applications and functions of citizen science in research projects. Citizen science can be used as a methodology where public volunteers help in collecting and classifying data, improving the scientific community's capacity. Citizen science can also involve more direct involvement from the public, with communities initiating projects researching environment and health hazards in their own communities. Participation in citizen science projects also educates the public about the scientific process and increases awareness about different topics.[4] [5] Some schools have students participate in citizen science projects for this purpose as a part of the teaching curriculums.[6]

Background

The first use of the term "citizen science" can be found in a January 1989 issue of MIT Technology Review, which featured three community-based labs studying environmental issues.[1] In the 21st century, the number of citizen science projects, publications, and funding opportunities has increased.[1] [3] Citizen science has been used more over time, a trend helped by technological advancements.[1] [3] [7] Digital citizen science platforms, such as Zooniverse, store large amounts of data for many projects and are a place where volunteers can learn how to contribute to projects.[8] [1] For some projects, participants are instructed to collect and enter data, such as what species they observed, into large digital global databases.[3] [9] For other projects, participants help classify data on digital platforms. Citizen science data is also being used to develop machine learning algorithms.[7] [1] An example is using volunteer-classified images to train machine learning algorithms to identify species.[7] [1] While global participation and global databases are found on online platforms,[9] [1] not all locations always have the same amount of data from contributors.[7] [10] Concerns over potential data quality issues, such as measurement errors and biases, in citizen science projects are recognized in the scientific community and there are statistical solutions and best practices available which can help.[11]

Definition

The term "citizen science" has multiple origins, as well as differing concepts.[12] "Citizen" is used in the general sense, as meaning in "citizen of the world", or the general public, rather than the legal term citizen of sovereign countries. It was first defined independently in the mid-1990s by Rick Bonney in the United States and Alan Irwin in the United Kingdom.[13] [14] Alan Irwin, a British sociologist, defines citizen science as "developing concepts of scientific citizenship which foregrounds the necessity of opening up science and science policy processes to the public". Irwin sought to reclaim two dimensions of the relationship between citizens and science: 1) that science should be responsive to citizens' concerns and needs; and 2) that citizens themselves could produce reliable scientific knowledge.[15] The American ornithologist Rick Bonney, unaware of Irwin's work, defined citizen science as projects in which nonscientists, such as amateur birdwatchers, voluntarily contributed scientific data. This describes a more limited role for citizens in scientific research than Irwin's conception of the term.

The terms citizen science and citizen scientists entered the Oxford English Dictionary (OED) in June 2014.[16] [17] "Citizen science" is defined as "scientific work undertaken by members of the general public, often in collaboration with or under the direction of professional scientists and scientific institutions".[17] "Citizen scientist" is defined as: (a) "a scientist whose work is characterized by a sense of responsibility to serve the best interests of the wider community (now rare)"; or (b) "a member of the general public who engages in scientific work, often in collaboration with or under the direction of professional scientists and scientific institutions; an amateur scientist".[17] The first use of the term "citizen scientist" can be found in the magazine New Scientist in an article about ufology from October 1979.[18]

Muki Haklay cites, from a policy report for the Wilson Center entitled "Citizen Science and Policy: A European Perspective", an alternate first use of the term "citizen science" by R. Kerson in the magazine MIT Technology Review from January 1989.[19] [20] Quoting from the Wilson Center report: "The new form of engagement in science received the name 'citizen science'. The first recorded example of the use of the term is from 1989, describing how 225 volunteers across the US collected rain samples to assist the Audubon Society in an acid-rain awareness raising campaign."[19] [20]

A Green Paper on Citizen Science was published in 2013 by the European Commission's Digital Science Unit and Socientize.eu, which included a definition for citizen science, referring to "the general public engagement in scientific research activities when citizens actively contribute to science either with their intellectual effort or surrounding knowledge or with their tools and resources. Participants provide experimental data and facilities for researchers, raise new questions and co-create a new scientific culture."[21] [22]

Citizen science may be performed by individuals, teams, or networks of volunteers. Citizen scientists often partner with professional scientists to achieve common goals. Large volunteer networks often allow scientists to accomplish tasks that would be too expensive or time-consuming to accomplish through other means.[23]

Many citizen-science projects serve education and outreach goals.[24] [25] [26] These projects may be designed for a formal classroom environment or an informal education environment such as museums.

Citizen science has evolved over the past four decades. Recent projects place more emphasis on scientifically sound practices and measurable goals for public education.[27] Modern citizen science differs from its historical forms primarily in the access for, and subsequent scale of, public participation; technology is credited as one of the main drivers of the recent explosion of citizen science activity.[23]

In March 2015, the Office of Science and Technology Policy published a factsheet entitled "Empowering Students and Others through Citizen Science and Crowdsourcing".[28] Quoting: "Citizen science and crowdsourcing projects are powerful tools for providing students with skills needed to excel in science, technology, engineering, and math (STEM). Volunteers in citizen science, for example, gain hands-on experience doing real science, and in many cases take that learning outside of the traditional classroom setting".[28] The National Academies of Science cites SciStarter as a platform offering access to more than 2,700 citizen science projects and events, as well as helping interested parties access tools that facilitate project participation.[29]

In May 2016, a new open-access journal was started by the Citizen Science Association along with Ubiquity Press called Citizen Science: Theory and Practice (CS:T&P).[30] [31] Quoting from the editorial article titled "The Theory and Practice of Citizen Science: Launching a New Journal", "CS:T&P provides the space to enhance the quality and impact of citizen science efforts by deeply exploring the citizen science concept in all its forms and across disciplines. By examining, critiquing, and sharing findings across a variety of citizen science endeavors, we can dig into the underpinnings and assumptions of citizen science and critically analyze its practice and outcomes."[31]

In February 2020, Timber Press, an imprint of Workman Publishing Company, published The Field Guide to Citizen Science as a practical guide for anyone interested in getting started with citizen science.[32]

Alternative definitions

Other definitions for citizen science have also been proposed. For example, Bruce Lewenstein of Cornell University's Communication and S&TS departments describes three possible definitions:[33]

Scientists and scholars who have used other definitions include Frank N. von Hippel, Stephen Schneider, Neal Lane and Jon Beckwith.[34] [35] [36] Other alternative terminologies proposed are "civic science" and "civic scientist".[37]

Further, Muki Haklay offers an overview of the typologies of the level of citizen participation in citizen science, which range from "crowdsourcing" (level 1), where the citizen acts as a sensor, to "distributed intelligence" (level 2), where the citizen acts as a basic interpreter, to "participatory science", where citizens contribute to problem definition and data collection (level 3), to "extreme citizen science", which involves collaboration between the citizen and scientists in problem definition, collection and data analysis.[38]

A 2014 Mashable article defines a citizen scientist as: "Anybody who voluntarily contributes his or her time and resources toward scientific research in partnership with professional scientists."[39]

In 2016, the Australian Citizen Science Association released their definition, which states "Citizen science involves public participation and collaboration in scientific research with the aim to increase scientific knowledge."[40] [41]

In 2020, a group of birders in the Pacific Northwest of North America, eBird Northwest, has sought to rename "citizen science" to the use of "community science", "largely to avoid using the word 'citizen' when we want to be inclusive and welcoming to any birder or person who wants to learn more about bird watching, regardless of their citizen status."[42]

Related fields

In a Smart City era, Citizen Science relays on various web-based tools, such as WebGIS, and becomes Cyber Citizen Science.[43] Some projects, such as SETI@home, use the Internet to take advantage of distributed computing. These projects are generally passive. Computation tasks are performed by volunteers' computers and require little involvement beyond initial setup. There is disagreement as to whether these projects should be classified as citizen science.

The astrophysicist and Galaxy Zoo co-founder Kevin Schawinski stated: "We prefer to call this [Galaxy Zoo] citizen science because it's a better description of what you're doing; you're a regular citizen but you're doing science. Crowd sourcing sounds a bit like, well, you're just a member of the crowd and you're not; you're our collaborator. You're pro-actively involved in the process of science by participating."[44]

Compared to SETI@home, "Galaxy Zoo volunteers do real work. They're not just passively running something on their computer and hoping that they'll be the first person to find aliens. They have a stake in science that comes out of it, which means that they are now interested in what we do with it, and what we find."[44]

Citizen policy may be another result of citizen science initiatives. Bethany Brookshire (pen name SciCurious) writes: "If citizens are going to live with the benefits or potential consequences of science (as the vast majority of them will), it's incredibly important to make sure that they are not only well informed about changes and advances in science and technology, but that they also ... are able to ... influence the science policy decisions that could impact their lives."[45] In "The Rightful Place of Science: Citizen Science", editors Darlene Cavalier and Eric Kennedy highlight emerging connections between citizen science, civic science, and participatory technology assessment.[46]

Benefits and limitations

The general public's involvement in scientific projects has become a means of encouraging curiosity and greater understanding of science while providing an unprecedented engagement between professional scientists and the general public. In a research report published by the U.S. National Park Service in 2008, Brett Amy Thelen and Rachel K. Thiet mention the following concerns, previously reported in the literature, about the validity of volunteer-generated data:[47] [48]

The question of data accuracy, in particular, remains open. John Losey, who created the Lost Ladybug citizen science project, has argued that the cost-effectiveness of citizen science data can outweigh data quality issues, if properly managed.[49]

In December 2016, authors M. Kosmala, A. Wiggins, A. Swanson and B. Simmons published a study in the journal Frontiers in Ecology and the Environment called "Assessing Data Quality in Citizen Science".[50] The abstract describes how ecological and environmental citizen science projects have enormous potential to advance science. Citizen science projects can influence policy and guide resource management by producing datasets that are otherwise not feasible to generate.[50] In the section "In a Nutshell" (pg3), four condensed conclusions are stated. They are:[50]

They conclude that as citizen science continues to grow and mature, a key metric of project success they expect to see will be a growing awareness of data quality. They also conclude that citizen science will emerge as a general tool helping "to collect otherwise unobtainable high-quality data in support of policy and resource management, conservation monitoring, and basic science."[50]

A study of Canadian lepidoptera datasets published in 2018 compared the use of a professionally curated dataset of butterfly specimen records with four years of data from a citizen science program, eButterfly.[51] [52] The eButterfly dataset was used as it was determined to be of high quality because of the expert vetting process used on site, and there already existed a dataset covering the same geographic area consisting of specimen data, much of it institutional. The authors note that, in this case, citizen science data provides both novel and complementary information to the specimen data. Five new species were reported from the citizen science data, and geographic distribution information was improved for over 80% of species in the combined dataset when citizen science data was included.

Several recent studies have begun to explore the accuracy of citizen science projects and how to predict accuracy based on variables like expertise of practitioners. One example is a 2021 study by Edgar Santos-Fernandez and Kerrie Mengersen of the British Ecological Society, who utilized a case study which used recent R and Stan programming software to offer ratings of the accuracy of species identifications performed by citizen scientists in Serengeti National Park, Tanzania. This provided insight into possible problems with processes like this which include, "discriminatory power and guessing behaviour". The researchers determined that methods for rating the citizen scientists themselves based on skill level and expertise might make studies they conduct more easy to analyze.[53]

Studies that are simple in execution are where citizen science excels, particularly in the field of conservation biology and ecology. For example, in 2019, Sumner et al. compared the data of vespid wasp distributions collected by citizen scientists with the 4-decade, long-term dataset established by the BWARS.[54] They set up the Big Wasp Survey from 26 August to 10 September 2017, inviting citizen scientists to trap wasps and send them for identification by experts where data was recorded. The results of this study showed that the campaign garnered over 2,000 citizen scientists participating in data collection, identifying over 6,600 wasps. This experiment provides strong evidence that citizen science can generate potentially high-quality data comparable to that of expert data collection, within a shorter time frame. Although the experiment was to originally test the strength of citizen science, the team also learned more about Vespidae biology and species distribution in the United Kingdom. With this study, the simple procedure enabled citizen science to be executed in a successful manner. A study by J. Cohn describes that volunteers can be trained to use equipment and process data, especially considering that a large proportion of citizen scientists are individuals who are already well-versed in the field of science.[55]

The demographics of participants in citizen science projects are overwhelmingly White adults, of above-average income, having a university degree.[56] Other groups of volunteers include conservationists, outdoor enthusiasts, and amateur scientists. As such, citizen scientists are generally individuals with a pre-understanding of the scientific method and how to conduct sensible and just scientific analysis.

Ethics

Various studies have been published that explore the ethics of citizen science, including issues such as intellectual property and project design.(e.g.[12] [57] [58] [59]) The Citizen Science Association (CSA), based at the Cornell Lab of Ornithology, and the European Citizen Science Association (ECSA), based in the Museum für Naturkunde in Berlin, have working groups on ethics and principles.[60] [61]

In September 2015, ECSA published its Ten Principles of Citizen Science, which have been developed by the "Sharing best practice and building capacity" working group of ECSA, led by the Natural History Museum, London with input from many members of the association.[62] [63]

The medical ethics of internet crowdsourcing has been questioned by Graber & Graber in the Journal of Medical Ethics.[64] In particular, they analyse the effect of games and the crowdsourcing project Foldit. They conclude: "games can have possible adverse effects, and that they manipulate the user into participation".

In March 2019, the online journal Citizen Science: Theory and Practice launched a collection of articles on the theme of Ethical Issues in Citizen Science.[65] The articles are introduced with (quoting): "Citizen science can challenge existing ethical norms because it falls outside of customary methods of ensuring that research is conducted ethically. What ethical issues arise when engaging the public in research? How have these issues been addressed, and how should they be addressed in the future?"[65]

In June 2019, (EASTS) published an issue titled "Citizen Science: Practices and Problems" which contains 15 articles/studies on citizen science, including many relevant subjects of which ethics is one.[66] Quoting from the introduction "Citizen, Science, and Citizen Science": "The term citizen science has become very popular among scholars as well as the general public, and, given its growing presence in East Asia, it is perhaps not a moment too soon to have a special issue of EASTS on the topic."[67]

Use of citizen science volunteers as de facto unpaid laborers by some commercial ventures have been criticized as exploitative.

Ethics in citizen science in the health and welfare field, has been discussed in terms of protection versus participation. Public involvement researcher Kristin Liabo writes that health researcher might, in light of their ethics training, be inclined to exclude vulnerable individuals from participation, to protect them from harm. However, she argues these groups are already likely to be excluded from participation in other arenas, and that participation can be empowering and a possibility to gain life skills that these individuals need. Whether or not to become involved should be a decision these individuals should be involved in and not a researcher decision.[68]

Economic worth

In the research paper "Can citizen science enhance public understanding of science?" by Bonney et al. 2016,[69] statistics which analyse the economic worth of citizen science are used, drawn from two papers: i) Sauermann and Franzoni 2015,[70] andii) Theobald et al. 2015.[71] In "Crowd science user contribution patterns and their implications" by Sauermann and Franzoni (2015), seven projects from the Zooniverse web portal are used to estimate the monetary value of the citizen science that had taken place. The seven projects are: Solar Stormwatch, Galaxy Zoo Supernovae, Galaxy Zoo Hubble, Moon Zoo, Old Weather, The Milky Way Project and Planet Hunters.[70] Using data from 180 days in 2010, they find a total of 100,386 users participated, contributing 129,540 hours of unpaid work.[70] Estimating at a rate of $12 an hour (an undergraduate research assistant's basic wage), the total contributions amount to $1,554,474, an average of $222,068 per project.[70] The range over the seven projects was from $22,717 to $654,130.[70]

In "Global change and local solutions: Tapping the unrealized potential of citizen science for biodiversity research" by Theobald et al. 2015, the authors surveyed 388 unique biodiversity-based projects.[71] Quoting: "We estimate that between 1.36 million and 2.28 million people volunteer annually in the 388 projects we surveyed, though variation is great" and that "the range of in-kind contribution of the volunteerism in our 388 citizen science projects as between $667 million to $2.5 billion annually."[71]

Worldwide participation in citizen science continues to grow. A list of the top five citizen science communities compiled by Marc Kuchner and Kristen Erickson in July 2018 shows a total of 3.75 million participants, although there is likely substantial overlap between the communities.

Relations with education and academia

There have been studies published which examine the place of citizen science within education.(e.g.[4] [72] [73]) Teaching aids can include books and activity or lesson plans.(e.g.[74] [75] [76] [77]). Some examples of studies are:

From the Second International Handbook of Science Education, a chapter entitled: "Citizen Science, Ecojustice, and Science Education: Rethinking an Education from Nowhere", by Mueller and Tippins (2011), acknowledges in the abstract that: "There is an emerging emphasis in science education on engaging youth in citizen science." The authors also ask: "whether citizen science goes further with respect to citizen development." The abstract ends by stating that the "chapter takes account of the ways educators will collaborate with members of the community to effectively guide decisions, which offers promise for sharing a responsibility for democratizing science with others."[78]

From the journal Democracy and Education, an article entitled: "Lessons Learned from Citizen Science in the Classroom" by authors Gray, Nicosia and Jordan (GNJ; 2012) gives a response to a study by Mueller, Tippins and Bryan (MTB) called "The Future of Citizen Science".[79] [80] GNJ begins by stating in the abstract that "The Future of Citizen Science": "provides an important theoretical perspective about the future of democratized science and K12 education." But GRB state: "However, the authors (MTB) fail to adequately address the existing barriers and constraints to moving community-based science into the classroom." They end the abstract by arguing: "that the resource constraints of scientists, teachers, and students likely pose problems to moving true democratized science into the classroom."[79]

In 2014, a study was published called "Citizen Science and Lifelong Learning" by R. Edwards in the journal Studies in the Education of Adults.[81] Edwards begins by writing in the abstract that citizen science projects have expanded over recent years and engaged citizen scientists and professionals in diverse ways. He continues: "Yet there has been little educational exploration of such projects to date."[81] He describes that "there has been limited exploration of the educational backgrounds of adult contributors to citizen science". Edwards explains that citizen science contributors are referred to as volunteers, citizens or as amateurs. He ends the abstract: "The article will explore the nature and significance of these different characterisations and also suggest possibilities for further research."[81]

In the journal Microbiology and Biology Education a study was published by Shah and Martinez (2015) called "Current Approaches in Implementing Citizen Science in the Classroom".[82] They begin by writing in the abstract that citizen science is a partnership between inexperienced amateurs and trained scientists. The authors continue: "With recent studies showing a weakening in scientific competency of American students, incorporating citizen science initiatives in the curriculum provides a means to address deficiencies".[82] They argue that combining traditional and innovative methods can help provide a practical experience of science. The abstract ends: "Citizen science can be used to emphasize the recognition and use of systematic approaches to solve problems affecting the community."[82]

In November 2017, authors Mitchell, Triska and Liberatore published a study in PLOS One titled "Benefits and Challenges of Incorporating Citizen Science into University Education".[83] The authors begin by stating in the abstract that citizen scientists contribute data with the expectation that it will be used. It reports that citizen science has been used for first year university students as a means to experience research. They continue: "Surveys of more than 1500 students showed that their environmental engagement increased significantly after participating in data collection and data analysis."[83] However, only a third of students agreed that data collected by citizen scientists was reliable. A positive outcome of this was that the students were more careful of their own research. The abstract ends: "If true for citizen scientists in general, enabling participants as well as scientists to analyse data could enhance data quality, and so address a key constraint of broad-scale citizen science programs."[83]

Citizen science has also been described as challenging the "traditional hierarchies and structures of knowledge creation".[84]

History

While citizen science developed at the end of the 20th century, characteristics of citizen science are not new.[85] [1] Prior to the 20th century, science was often the pursuit of gentleman scientists, amateur or self-funded researchers such as Sir Isaac Newton, Benjamin Franklin, and Charles Darwin.[23] Women citizen scientists from before the 20th century include Florence Nightingale who "perhaps better embodies the radical spirit of citizen science".[86] Before the professionalization of science by the end of the 19th century, most pursued scientific projects as an activity rather than a profession itself, an example being amateur naturalists in the 18th and 19th centuries.

During the British colonization of North America, American Colonists recorded the weather, offering much of the information now used to estimate climate data and climate change during this time period. These people included John Campanius Holm, who recorded storms in the mid-1600s, as well as George Washington, Thomas Jefferson, and Benjamin Franklin who tracked weather patterns during America's founding. Their work focused on identifying patterns by amassing their data and that of their peers and predecessors, rather than specific professional knowledge in scientific fields.[87] Some consider these individuals to be the first citizen scientists, some consider figures such as Leonardo da Vinci and Charles Darwin to be citizen scientists, while others feel that citizen science is a distinct movement that developed later on, building on the preceding history of science.[1] [85]

By the mid-20th century, however, science was dominated by researchers employed by universities and government research laboratories. By the 1970s, this transformation was being called into question. Philosopher Paul Feyerabend called for a "democratization of science".[88] Biochemist Erwin Chargaff advocated a return to science by nature-loving amateurs in the tradition of Descartes, Newton, Leibniz, Buffon, and Darwin—science dominated by "amateurship instead of money-biased technical bureaucrats".[89]

A study from 2016 indicates that the largest impact of citizen science is in research on biology, conservation and ecology, and is utilized mainly as a methodology of collecting and classifying data.[3]

Amateur astronomy

See main article: Amateur astronomy.

Astronomy has long been a field where amateurs have contributed throughout time, all the way up to the present day.[90]

Collectively, amateur astronomers observe a variety of celestial objects and phenomena sometimes with equipment that they build themselves. Common targets of amateur astronomers include the Moon, planets, stars, comets, meteor showers, and a variety of deep-sky objects such as star clusters, galaxies, and nebulae. Observations of comets and stars are also used to measure the local level of artificial skyglow.[91] [92] One branch of amateur astronomy, amateur astrophotography, involves the taking of photos of the night sky. Many amateurs like to specialize in the observation of particular objects, types of objects, or types of events that interest them.[93] [94]

The American Association of Variable Star Observers has gathered data on variable stars for educational and professional analysis since 1911 and promotes participation beyond its membership on its Citizen Sky website.[95]

Project PoSSUM is a relatively new organization, started in March 2012, which trains citizen scientists of many ages to go on polar suborbital missions. On these missions, they study noctilucent clouds with remote sensing, which reveals interesting clues about changes in the upper atmosphere and the ozone due to climate change. This is a form of citizen science which trains younger generations to be ambitious, participating in intriguing astronomy and climate change science projects even without a professional degree.[96]

Butterfly counts

See main article: Butterfly count. Butterfly counts have a long tradition of involving individuals in the study of butterflies' range and their relative abundance. Two long-running programs are the UK Butterfly Monitoring Scheme (started in 1976) and the North American Butterfly Association's Butterfly Count Program (started in 1975).[97] [98] There are various protocols for monitoring butterflies and different organizations support one or more of transects, counts and/or opportunistic sightings.[99] eButterfly is an example of a program designed to capture any of the three types of counts for observers in North America. Species-specific programs also exist, with monarchs the prominent example.[100] Two examples of this involve the counting of monarch butterflies during the fall migration to overwintering sites in Mexico: (1) Monarch Watch is a continent-wide project, while (2) the Cape May Monarch Monitoring Project is an example of a local project.[101] [102] The Austrian project Viel-Falter investigated if and how trained and supervised pupils are able to systematically collect data about the occurrence of diurnal butterflies, and how this data could contribute to a permanent butterfly monitoring system. Despite substantial identification uncertainties for some species or species groups, the data collected by pupils was successfully used to predict the general habitat quality for butterflies.[103]

Ornithology

See main article: Birdwatching. Citizen science projects have become increasingly focused on providing benefits to scientific research.[104] [105] [106] The North American Bird Phenology Program (historically called the Bird Migration and Distribution records) may have been the earliest collective effort of citizens collecting ornithological information in the U.S.[107] The program, dating back to 1883, was started by Wells Woodbridge Cooke. Cooke established a network of observers around North America to collect bird migration records. The Audubon Society's Christmas Bird Count, which began in 1900, is another example of a long-standing tradition of citizen science which has persisted to the present day, now containing a collection of six million handwritten migration observer cards that date back to the 19th century. Participants input this data into an online database for analysis. Citizen scientists help gather data that will be analyzed by professional researchers, and can be used to produce bird population and biodiversity indicators.

Raptor migration research relies on the data collected by the hawkwatching community. This mostly volunteer group counts migrating accipiters, buteos, falcons, harriers, kites, eagles, osprey, vultures and other raptors at hawk sites throughout North America during the spring and fall seasons.[108] The daily data is uploaded to hawkcount.org where it can be viewed by professional scientists and the public.

Such indices can be useful tools to inform management, resource allocation, policy and planning.[109] For example, European breeding bird survey data provide input for the Farmland Bird Index, adopted by the European Union as a structural indicator of sustainable development.[110] This provides a cost-effective alternative to government monitoring.

Similarly, data collected by citizen scientists as part of BirdLife Australia's has been analysed to produce the first-ever Australian Terrestrial Bird Indices.[111]

Most recently, more programs have sprung up worldwide, including NestWatch, a bird species monitoring program which tracks data on reproduction. This might include studies on when and how often nesting occurs, counting eggs laid and how many hatch successfully, and what proportion of hatchlings survive infancy. Participation in this program is extremely easy for the general public to join. Using the recently created nest watch app which is available on almost all devices, anyone can begin to observe their local species, recording results every 3 to 4 days within the app. This forms a continually-growing database which researchers can view and utilize to understand trends within specific bird populations.[112]

Other programs in North America include Project FeederWatch, which is affiliated with the Cornell Lab of Ornithology.[113]

Citizen oceanography

The concept of citizen science has been extended to the ocean environment for characterizing ocean dynamics and tracking marine debris. For example, the mobile app Marine Debris Tracker is a joint partnership of National Oceanic and Atmospheric Administration and the University of Georgia.[114] Long term sampling efforts such as the continuous plankton recorder has been fitted on ships of opportunity since 1931. Plankton collection by sailors and subsequent genetic analysis was pioneered in 2013 by Indigo V Expeditions as a way to better understand marine microbial structure and function.[115]

Coral reefs

Citizen science in coral reef studies developed in the 21st century.

Underwater photography has become more popular since the development of moderate priced digital cameras with waterproof housings in the early 2000s, resulting on millions of pictures posted every year on various websites and social media. This mass of documentation has great scientific potential, as millions of tourists possess a much superior coverage power than professional scientists, who cannot spend so much time in the field.

As a consequence, several participative sciences programs have been developed, supported by geotagging and identification web sites such as iNaturalist. The Monitoring through many eyes project collates thousands of underwater images of the Great Barrier Reef and provides an interface for elicitation of reef health indicators.[116]

The National Oceanic and Atmospheric Administration (NOAA) also offers opportunities for volunteer participation. By taking measurements in The United States' National Marine Sanctuaries, citizens contribute data to marine biology projects. In 2016, NOAA benefited from 137,000 hours of research.[117]

There also exist protocols for auto-organization and self-teaching aimed at biodiversity-interested snorkelers, in order for them to turn their observations into sound scientific data, available for research. This kind of approach has been successfully used in Réunion island, allowing for tens of new records and even new species.[118]

Freshwater fish

Aquarium hobbyists and their respective organizations are very passionate about fish conservation and often more knowledgeable about specific fish species and groups than scientific researchers.[119] They have played an important role in the conservation of freshwater fishes by discovering new species, maintaining extensive databases with ecological information on thousands of species (such as for catfish,[120] Mexican freshwater fishes,[121] killifishes,[122] cichlids[123]), and successfully keeping and providing endangered and extinct-in-the-wild species for conservation projects.[124] [125] The CARES (Conservation, Awareness, Recognition, Encouragement, and Support) preservation program[126] is the largest hobbyist organization containing over 30 aquarium societies and international organizations, and encourages serious aquarium hobbyists to devote tank space to the most threatened or extinct-in-the-wild species to ensure their survival for future generations.

Amphibians

Citizen scientists also work to monitor and conserve amphibian populations. One recent project is FrogWatch USA, organized by the Association of Zoos and Aquariums. Participants are invited to educate themselves on their local wetlands and help to save amphibian populations by reporting the data on the calls of local frogs and toads. The project already has over 150,000 observations from more than 5000 contributors. Participants are trained by program coordinators to identify calls and utilize this training to report data they find between February and August of each "monitoring season". Data is used to monitor diversity, invasion, and long-term shifts in population health within these frog and toad communities.[127]

Rocky reefs

Reef Life Survey is a marine life monitoring programme based in Hobart, Tasmania.[128] The project uses recreational divers that have been trained to make fish and invertebrate counts, using an approximate 50 m constant depth transect of tropical and temperate reefs, which might include coral reefs.[128] Reef Life Survey is international in its scope, but the data collectors are predominantly from Australia. The database is available to marine ecology researchers, and is used by several marine protected area managements in Australia, New Zealand, American Samoa and the eastern Pacific.[129] [130] Its results have also been included in the Australian Ocean DATA Network.[131]

Agriculture

Farmer participation in experiments has a long tradition in agricultural science.[132] There are many opportunities for citizen engagement in different parts of food systems.[133] Citizen science is actively used for crop variety selection for climate adaptation, involving thousands of farmers.[134] Citizen science has also played a role in furthering sustainable agriculture.

Art history

Citizen science has a long tradition in natural science. Today, citizen science projects can also be found in various fields of science like art history. For example, the Zooniverse project AnnoTate is a transcription tool developed to enable volunteers to read and transcribe the personal papers of British-born and émigré artists.[135] The papers are drawn from the Tate Archive. Another example of citizen science in art history is ARTigo.[136] ARTigo collects semantic data on artworks from the footprints left by players of games featuring artwork images. From these footprints, ARTigo automatically builds a semantic search engine for artworks.

Biodiversity

Citizen science has made significant contributions to the analysis of biodiversity across the world. A majority of data collected has been focused primarily on species occurrence, abundance and phenology, with birds being primarily the most popular group observed.[137] There is growing efforts to expand the use of citizen science across other fields. Past data on biodiversity has had limitations in the quantity of data to make any meaningful broad connections to losses in biodiversity. Recruiting citizens already out in the field opens a tremendous amount of new data. For example, thousands of farmers reporting the changes in biodiversity in their farms over many years has provided a large amount of relevant data concerning the effect of different farming methods on biodiversity.[138] Another example, is WomSAT,[139] a citizen science project that collects data on wombat roadkill[140] and sarcoptic mange incidence and distribution,[141] to support conservation efforts for the species.Citizen science can be used to great effect in addition to the usual scientific methods in biodiversity monitoring. The typical active method of species detection is able to collect data on the broad biodiversity of areas while citizen science approaches has shown to be more effective at identifying invasive species.[142] In combination, this provides an effective strategy of monitoring the changes in biodiversity of ecosystems.

Health and welfare

See main article: Patient and public involvement.

In the research fields of health and welfare, citizen science is often discussed in other terms, such as "public involvement", "user engagement", or "community member involvement". However the meaning is similar to citizen science, with the exception that citizens are not often involved in collecting data but more often involved in prioritisation of research ideas and improving methodology, e.g. survey questions. In the last decades, researchers and funders have gained awareness of the benefits from involving citizens in the research work, but the involvement of citizens in a meaningful way is not a common practice.[143] There is an ongoing discussion on how to evaluate citizen science in health and welfare research.[144]

One aspect to consider in citizen science in health and welfare, that stands out compared to in other academic fields, is who to involve. When research concerns human experiences, representation of a group becomes important. While it is commonly acknowledged that the people involved need to have lived experience of the concerned topic,[145] representation is still an issue, and researchers are debating whether this is a useful concept in citizen science.

Modern technology

Newer technologies have increased the options for citizen science.[146] Citizen scientists can build and operate their own instruments to gather data for their own experiments or as part of a larger project. Examples include amateur radio, amateur astronomy, Six Sigma Projects, and Maker activities. Scientist Joshua Pearce has advocated for the creation of open-source hardware based scientific equipment that both citizen scientists and professional scientists, which can be replicated by digital manufacturing techniques such as 3D printing.[147] Multiple studies have shown this approach radically reduces scientific equipment costs.[148] [149] Examples of this approach include water testing, nitrate and other environmental testing, basic biology and optics.[149] [150] [151] [152] Groups such as Public Lab, which is a community where citizen scientists can learn how to investigate environmental concerns using inexpensive DIY techniques, embody this approach.[150]

Video technology is much used in scientific research. The Citizen Science Center in the Nature Research Center wing of the North Carolina Museum of Natural Sciences has exhibits on how to get involved in scientific research and become a citizen scientist. For example, visitors can observe birdfeeders at the Prairie Ridge Ecostation satellite facility via live video feed and record which species they see.

Since 2005, the Genographic Project has used the latest genetic technology to expand our knowledge of the human story, and its pioneering use of DNA testing to engage and involve the public in the research effort has helped to create a new breed of "citizen scientist". Geno 2.0 expands the scope for citizen science, harnessing the power of the crowd to discover new details of human population history.[153] This includes supporting, organization and dissemination of personal DNA testing. Like amateur astronomy, citizen scientists encouraged by volunteer organizations like the International Society of Genetic Genealogy have provided valuable information and research to the professional scientific community.[154] [155]

With unmanned aerial vehicles, further citizen science is enabled. One example is the ESA's AstroDrone smartphone app for gathering robotic data with the Parrot AR.Drone.[156]

Citizens in Space (CIS), a project of the United States Rocket Academy, seeks to combine citizen science with citizen space exploration.[157] CIS is training citizen astronauts to fly as payload operators on suborbital reusable spacecraft that are now in development. CIS will also be developing, and encouraging others to develop, citizen-science payloads to fly on suborbital vehicles. CIS has already acquired a contract for 10 flights on the Lynx suborbital vehicle, being developed by XCOR Aerospace, and plans to acquire additional flights on XCOR Lynx and other suborbital vehicles in the future.[157]

CIS believes that "The development of low-cost reusable suborbital spacecraft will be the next great enabler, allowing citizens to participate in space exploration and space science."[158]

The website CitizenScience.gov was started by the U.S. government to "accelerate the use of crowdsourcing and citizen science" in the United States. Following the internet's rapid increase of citizen science projects, this site is one of the most prominent resource banks for citizen scientists and government supporters alike. It features three sections: a catalog of existing citizen science projects which are federally supported, a toolkit to help federal officials as they develop and maintain their future projects, and several other resources and projects. This was created as the result of a mandate within the Crowdsourcing and Citizen Science Act of 2016 (15 USC 3724).[159]

Internet

The Internet has been a boon to citizen science, particularly through gamification.[146] One of the first Internet-based citizen science experiments was NASA's Clickworkers, which enabled the general public to assist in the classification of images, greatly reducing the time to analyze large data sets. Another was the Citizen Science Toolbox, launched in 2003, of the Australian Coastal Collaborative Research Centre.[160] Mozak is a game in which players create 3D reconstructions from images of actual human and mouse neurons, helping to advance understanding of the brain. One of the largest citizen science games is Eyewire, a brain-mapping puzzle game developed at the Massachusetts Institute of Technology that now has over 200,000 players.[161] Another example is Quantum Moves, a game developed by the Center for Driven Community Research at Aarhus University, which uses online community efforts to solve quantum physics problems.[162] [163] The solutions found by players can then be used in the lab to feed computational algorithms used in building a scalable quantum computer.

More generally, Amazon's Mechanical Turk is frequently used in the creation, collection, and processing of data by paid citizens.[164] [165] There is controversy as to whether or not the data collected through such services is reliable, as it is subject to participants' desire for compensation.[166] However, use of Mechanical Turk tends to quickly produce more diverse participant backgrounds, as well as comparably accurate data when compared to traditional collection methods.[167]

The internet has also enabled citizen scientists to gather data to be analyzed by professional researchers. Citizen science networks are often involved in the observation of cyclic events of nature (phenology), such as effects of global warming on plant and animal life in different geographic areas,[168] and in monitoring programs for natural-resource management.[169] [170] [171] On BugGuide.Net, an online community of naturalists who share observations of arthropod, amateurs and professional researchers contribute to the analysis. By October 2022, BugGuide has over 1,886,513 images submitted by 47,732 contributors.[172]

Not counting iNaturalist and eBird,[173] the Zooniverse is home to the internet's largest, most popular and most successful citizen science projects.[174] [175] The Zooniverse and the suite of projects it contains is produced, maintained and developed by the Citizen Science Alliance (CSA).[176] The member institutions of the CSA work with many academic and other partners around the world to produce projects that use the efforts and ability of volunteers to help scientists and researchers deal with the flood of data that confronts them. On 29 June 2015, the Zooniverse released a new software version with a project-building tool allowing any registered user to create a project.[177] Project owners may optionally complete an approval process to have their projects listed on the Zooniverse site and promoted to the Zooniverse community.[178] A NASA/JPL picture to the right gives an example from one of Zooniverse's projects The Milky Way Project.

The website CosmoQuest has as its goal "To create a community of people bent on together advancing our understanding of the universe; a community of people who are participating in doing science, who can explain why what they do matters, and what questions they are helping to answer."[179]

CrowdCrafting enables its participants to create and run projects where volunteers help with image classification, transcription, geocoding and more.[180] The platform is powered by PyBossa software, a free and open-source framework for crowdsourcing.[181]

Project Soothe is a citizen science research project based at the University of Edinburgh. The aim of this research is to create a bank of soothing images, submitted by members of the public, which can be used to help others through psychotherapy and research in the future. Since 2015, Project Soothe has received over 600 soothing photographs from people in 23 countries. Anyone aged 12 years or over is eligible to participate in this research in two ways: (1) By submitting soothing photos that they have taken with a description of why the images make them feel soothed (2) By rating the photos that have been submitted by people worldwide for their soothability.[182]

The internet has allowed for many individuals to share and upload massive amounts of data. Using the internet citizen observatories have been designed as a platform to both increase citizen participation and knowledge of their surrounding environment by collecting whatever relevant data is focused by the program.[183] The idea is making it easier and more exciting for citizens to get and stay involved in local data collection.

The invention of social media has aided in providing massive amounts of information from the public to create citizen science programs. In a case study by Andrea Liberatore, Erin Bowkett, Catriona J. MacLeod, Eric Spurr, and Nancy Longnecker, the New Zealand Garden Bird Survey is conducted as one such project with the aid of social media. It examines the influence of utilizing a Facebook group to collect data from citizen scientists as the researchers work on the project over the span of a year. The authors claim that this use of social media greatly helps with the efficiency of this study and makes the atmosphere feel more communal.[184]

Smartphone

The bandwidth and ubiquity afforded by smartphones has vastly expanded the opportunities for citizen science. Examples include iNaturalist, the San Francisco project, the WildLab, Project Noah,[185] [186] [187] and Aurorasurus. Due to their ubiquity, for example, Twitter, Facebook, and smartphones have been useful for citizen scientists, having enabled them to discover and propagate a new type of aurora dubbed "STEVE" in 2016.[188]

There are also apps for monitoring birds, marine wildlife and other organisms, and the "Loss of the Night".[189] [190]

"The Crowd and the Cloud" is a four-part series broadcast during April 2017, which examines citizen science.[191] It shows how smartphones, computers and mobile technology enable regular citizens to become part of a 21st-century way of doing science.[191] The programs also demonstrate how citizen scientists help professional scientists to advance knowledge, which helps speed up new discoveries and innovations. The Crowd & The Cloud is based upon work supported by the U.S. National Science Foundation.[191]

Seismology

Since 1975, in order to improve earthquake detection and collect useful information, the European-Mediterranean Seismological Centre monitors the visits of earthquake eyewitnesses to its website and relies on Facebook and Twitter.[192] More recently, they developed the LastQuake[193] mobile application which notifies users about earthquakes occurring around the world, alerts people when earthquakes hit near them, gathers citizen seismologists' testimonies to estimate the felt ground shaking and possible damages.

Hydrology

Citizen science has been used to provide valuable data in hydrology (catchment science), notably flood risk, water quality, and water resource management.[194] [195] [196] A growth in internet use and smartphone ownership has allowed users to collect and share real-time flood-risk information using, for example, social media and web-based forms. Although traditional data collection methods are well-established, citizen science is being used to fill the data gaps on a local level, and is therefore meaningful to individual communities. Data collected from citizen science can also compare well to professionally collected data.[197] It has been demonstrated that citizen science is particularly advantageous during a flash flood because the public are more likely to witness these rarer hydrological events than scientists.[198]

Plastics and pollution

Citizen science includes projects that help monitor plastics and their associated pollution.[199] [200] [201] [202] These include The Ocean Cleanup, #OneLess, The Big Microplastic Survey, EXXpedition and Alliance to End Plastic Waste.[203] [204] [205] [206] Ellipsis seeks to map the distribution of litter using aerial data mapping by unmanned aerial vehicles and machine learning software.[207] A Zooniverse project called The Plastic Tide (now finished) helped train an algorithm used by Ellipsis.[208]

Examples of relevant articles (by date):

Examples of relevant scientific studies or books include (by date):

Citizen sensing

Citizen sensing can be a form of citizen science: (quote) "The work of citizen sensing, as a form of citizen science, then further transforms Stengers's notion of the work of science by moving the experimental facts and collectives where scientific work is undertaken out of the laboratory of experts and into the world of citizens."[225] Similar sensing activities include Crowdsensing and participatory monitoring. While the idea of using mobile technology to aid this sensing is not new, creating devices and systems that can be used to aid regulation has not been straightforward.[225] Some examples of projects that include citizen sensing are:

A group of citizen scientists in a community-led project targeting toxic smoke from wood burners in Bristol, has recorded 11 breaches of World Health Organization daily guidelines for ultra-fine particulate pollution over a period of six months.[233] [234]

In a £7M programme funded by water regulator Ofwat, citizen scientists are being trained to test for pollution and over-abstraction in 10 river catchment areas in the UK.[235] Sensors will be used and the information gathered will be available in a central visualisation platform.[235] The project is led by The Rivers Trust and United Utilities and includes volunteers such as anglers testing the rivers they use.[236] The Angling Trust provides the pollution sensors, with Kristian Kent from the Trust saying: "Citizen science is a reality of the world in the future, so they’re not going to be able to just sweep it under the carpet."[236]

COVID-19 pandemic

Resources for computer science and scientific crowdsourcing projects concerning COVID-19 can be found on the internet or as apps.[237] [238] Some such projects are listed below:

For coronavirus studies and information that can help enable citizen science, many online resources are available through open access and open science websites, including an intensive care medicine e-book chapter hosted by EMCrit[258] and portals run by the Cambridge University Press,[259] the Europe branch of the Scholarly Publishing and Academic Resources Coalition,[260] The Lancet,[261] John Wiley and Sons,[262] and Springer Nature.[263]

Around the world

See also: List of citizen science projects.

Africa

Asia

Europe

The English naturalist Charles Darwin (1809–1882) is widely regarded to have been one of the earliest citizen science contributors in Europe (see). A century later, citizen science was experienced by adolescents in Italy during the 1980s, working on urban energy usages and air pollution.[280]

In his book "Citizen Science", Alan Irwin considers the role that scientific expertise can play in bringing the public and science together and building a more scientifically active citizenry, empowering individuals to contribute to scientific development.[13] Since then a citizen science green paper was published in 2013, and European Commission policy directives have included citizen science as one of five strategic areas with funding allocated to support initiatives through the 'Science With and For Society (SwafS)', a strand of the Horizon 2020 programme.[21] [22] This includes significant awards such as the EU Citizen Science Project, which is creating a hub for knowledge sharing, coordination, and action.[281] The European Citizen Science Association (ECSA) was set up in 2014 to encourage the growth of citizen science across Europe, to increase public participation in scientific processes, mainly by initiating and supporting citizen science projects as well as conducting research. ECSA has a membership of over 250 individual and organisational members from over 30 countries across the European Union and beyond.

Examples of citizen science organisations and associations based in Europe include the Biosphere Expeditions (Ireland),[282] Bürger schaffen Wissen (Germany),[283] Citizen Science Lab at Leiden University (Netherlands),[284] Ibercivis (See External Links), Österreich forscht (Austria).[285] Other organisations can be found here: EU Citizen Science.[286]

In 2023, the European Union Prize for Citizen Science was established.[287] Bestowed through Ars Electronica, the prize was designed to honor, present and support "outstanding projects whose social and political impact advances the further development of a pluralistic, inclusive and sustainable society in Europe".[287]

Latin America

Conferences

The first Conference on Public Participation in Scientific Research was held in Portland, Oregon, in August 2012.[311] Citizen science is now often a theme at large conferences, such as the annual meeting of the American Geophysical Union.[312]

In 2010, 2012 and 2014 there were three Citizen Cyberscience summits, organised by the Citizen Cyberscience Centre in Geneva and University College London.[313] The 2014 summit was hosted in London and attracted over 300 participants.[313]

In November 2015, the ETH Zürich and University of Zürich hosted an international meeting on the "Challenges and Opportunities in Citizen Science".[314]

The first citizen science conference hosted by the Citizen Science Association was in San Jose, California, in February 2015 in partnership with the AAAS conference.[315] The Citizen Science Association conference, CitSci 2017, was held in Saint Paul, Minnesota, United States, between 17 and 20 May 2017. The conference had more than 600 attendees.[316] [317] The next CitSci was in March 2019 in Raleigh, North Carolina.[316]

The platform "Österreich forscht" hosts the annual Austrian citizen science conference since 2015.[318]

See also

Further reading

External links

Notes and References

  1. Book: The Science of Citizen Science . 2021 . Katrin Vohland . 978-3-030-58278-4 . Cham, Switzerland . Springer . 1230459796.
  2. Gura . Trisha . April 2013 . Citizen science: Amateur experts . Nature . en . 496 . 7444 . 259–261 . 10.1038/nj7444-259a . 23586092 . 20840626 . 1476-4687. free .
  3. Kullenberg . Christopher . Kasperowski . Dick . 2016-01-14 . Dorta-González . Pablo . What Is Citizen Science? – A Scientometric Meta-Analysis . PLOS ONE . en . 11 . 1 . e0147152 . 10.1371/journal.pone.0147152 . 1932-6203 . 4713078 . 26766577. 2016PLoSO..1147152K . free .
  4. Book: Doyle . Cathal . David . Rodreck . Li . Yevgeniya . Luczak-Roesch . Markus . Anderson . Dayle . Pierson . Cameron M. . Proceedings of the 10th ACM Conference on Web Science . Using the Web for Science in the Classroom . 2019-06-26 . https://doi.org/10.1145/3292522.3326022 . WebSci '19 . New York, NY, USA . Association for Computing Machinery . 71–80 . 10.1145/3292522.3326022 . 978-1-4503-6202-3. 195777103 .
  5. Steven . Rochelle . Barnes . Megan . Garnett . Stephen T. . Garrard . Georgia . O'Connor . James . Oliver . Jessica L. . Robinson . Cathy . Tulloch . Ayesha . Fuller . Richard A. . October 2019 . Aligning citizen science with best practice: Threatened species conservation in Australia . Conservation Science and Practice . en . 1 . 10 . 10.1111/csp2.100 . 2019ConSP...1E.100S . 202327827 . 2578-4854. free .
  6. Soanes . Kylie . Cranney . Kate . Dade . Marie C. . Edwards . Amy M. . Palavalli-Nettimi . Ravindra . Doherty . Tim S. . February 2020 . How to work with children and animals: A guide for school-based citizen science in wildlife research: School-based citizen science for wildlife research . Austral Ecology . en . 45 . 1 . 3–14 . 10.1111/aec.12836. 11343/286605 . 209579318 . free .
  7. Lotfian . Maryam . Ingensand . Jens . Brovelli . Maria Antonia . 2021-07-20 . The Partnership of Citizen Science and Machine Learning: Benefits, Risks, and Future Challenges for Engagement, Data Collection, and Data Quality . Sustainability . en . 13 . 14 . 8087 . 10.3390/su13148087 . 2071-1050. free .
  8. Book: Simpson . Robert . Page . Kevin R. . De Roure . David . Proceedings of the 23rd International Conference on World Wide Web . Zooniverse . 2014-04-07 . https://doi.org/10.1145/2567948.2579215 . WWW '14 Companion . New York, NY, USA . Association for Computing Machinery . 1049–1054 . 10.1145/2567948.2579215 . 978-1-4503-2745-9. 7165317 .
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  10. Bird . Tomas J. . Bates . Amanda E. . Lefcheck . Jonathan S. . Hill . Nicole A. . Thomson . Russell J. . Edgar . Graham J. . Stuart-Smith . Rick D. . Wotherspoon . Simon . Krkosek . Martin . Stuart-Smith . Jemina F. . Pecl . Gretta T. . Barrett . Neville . Frusher . Stewart . 2014-05-01 . Statistical solutions for error and bias in global citizen science datasets . Biological Conservation . en . 173 . 144–154 . 10.1016/j.biocon.2013.07.037 . 2014BCons.173..144B . 11343/217145 . 86728145 . 0006-3207. free .
  11. Resnik . David B. . Elliott . Kevin C. . Miller . Aubrey K. . 2015-12-01 . A framework for addressing ethical issues in citizen science . Environmental Science & Policy . en . 54 . 475–481 . 10.1016/j.envsci.2015.05.008 . 2015ESPol..54..475R . 152813310 . 1462-9011.
  12. Citizen science as seen by scientists: Methodological, epistemological and ethical dimensions. H. Riesch. C. Potter. 2014. 107–120. 10.1177/0963662513497324. 23982281. Public Understanding of Science. 23. 1. 206607609.
  13. Book: Irwin, Alan. Citizen Science: A Study of People, Expertise and Sustainable Development. 1995. Routledge. 9780415130103.
  14. Rick . Bonney . Heidi . Ballard . Rebecca . Jordan . Ellen . McCallie . Tina . Phillips . Jennifer . Shirk . Candie C. . Wilderman . July 2009 . Public Participation in Scientific Research: Defining the Field and Assessing Its Potential for Informal Science Education . Center for Advancement of Informal Science Education .
  15. Book: The Rightful Place of Science: Citizen Science. Cavalier. Darlene. Kennedy. Eric. Consortium for Science, Policy & Outcomes. 2016. 9780692694831. Tempe, AZ. 54.
  16. Encyclopedia: New words list June 2014. Oxford English Dictionary. 3 June 2016. dead. https://web.archive.org/web/20160509083230/http://public.oed.com/the-oed-today/recent-updates-to-the-oed/previous%20updates/june-2014-update/new-words-list-june-2014. 9 May 2016. dmy-all.
  17. Web site: 'Citizen science' added to Oxford English Dictionary. The Daily Zooniverse. 16 September 2014. 3 June 2016. live. https://web.archive.org/web/20160616165001/https://daily.zooniverse.org/2014/09/16/citizen-science-in-dictionary/. 16 June 2016.
  18. The Failure of the 'Science' of Ufology. James Oberg. New Scientist. 11 October 1979. 84. 1176. 102–105.
  19. Web site: Muki Haklay. Citizen Science and Policy: A European Perspective. Woodrow Wilson International Center for Scholars. 11. 2015. 3 June 2016. live. https://web.archive.org/web/20161018170921/https://www.wilsoncenter.org/sites/default/files/Citizen_Science_Policy_European_Perspective_Haklay.pdf. 18 October 2016.
  20. R. Kerson. Lab for the Environment. MIT Technology Review. 1989. 92. 1. 11–12.
  21. Web site: Green paper on Citizen Science for Europe: Towards a society of empowered citizens and enhanced research. European Commission. 21 January 2014. 18 August 2016. live. https://web.archive.org/web/20161017015723/https://ec.europa.eu/digital-single-market/en/news/green-paper-citizen-science-europe-towards-society-empowered-citizens-and-enhanced-research. 17 October 2016.
  22. Web site: Green paper on Citizen Science. Socientize.eu. 6. 2013. 18 August 2016. live. https://web.archive.org/web/20151226063915/http://ec.europa.eu/newsroom/dae/document.cfm?doc_id=4122. 26 December 2015.
  23. Silvertown. Jonathan. A new dawn for citizen science. Trends in Ecology & Evolution. 24. 9. 467–471. 10.1016/j.tree.2009.03.017. 19586682. 2009. 2009TEcoE..24..467S . 28318628 .
  24. Book: Osborn . D. A. . 10.1061/40761(175)57 . Monitoring Rocky Intertidal Shorelines: A Role for the Public in Resource Management . California and the World Ocean 02 . 175 . 57 . 2002 . 978-0-7844-0761-5 . registration .
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  26. Bauer . M. W. . Petkova . K. . Boyadjieva . P. . Public Knowledge of and Attitudes to Science: Alternative Measures That May End the 'Science War' . 10.1177/016224390002500102 . Science, Technology, & Human Values . 25 . 30–51 . 2000 . 143469797 .
  27. Bonney . R. . Cooper . C. B. . Dickinson . J. . Kelling . S. . Phillips . T. . Rosenberg . K. V. . Shirk . J. . 10.1525/bio.2009.59.11.9 . Citizen Science: A Developing Tool for Expanding Science Knowledge and Scientific Literacy . BioScience . 59 . 11 . 977–984 . 2009 . 86258546 .
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  30. Web site: Citizen Science: Theory and Practice. The Citizen Science Association and Ubiquity Press. 20 May 2016. 22 May 2016. live. https://web.archive.org/web/20160524120333/http://theoryandpractice.citizenscienceassociation.org/. 24 May 2016.
  31. R. Bonney. C. Cooper. H. Ballard. The Theory and Practice of Citizen Science: Launching a New Journal. 20 May 2016. Citizen Science: Theory and Practice. 1. 1. 1. 10.5334/cstp.65. free.
  32. Book: D. Cavalier. C. Hoffman. C. Cooper. The Field Guide to Citizen Science. Timber Press. 4 February 2020. 9781604698473.
  33. Web site: Lewenstein. B.. 8 June 2004. What does citizen science accomplish?. live. Cornell University. https://web.archive.org/web/20141009065556/http://ecommons.library.cornell.edu/handle/1813/37362. 9 October 2014. 16 September 2014.
  34. Book: Von Hippel, Frank . Citizen scientist . . New York . 1991 . 978-0-88318-709-8 .
  35. Book: Beckwith, Jonathan R. . Jon Beckwith. Making genes, making waves: a social activist in science . registration . Harvard University Press . Cambridge . 2002 . 978-0-674-00928-8 .
  36. Neal Lane, "Remarks" at Panel Discussion on Future of Federal Funding for Science and Engineering, Rutgers University, 8 April 1996. Steve Schneider remarks at AAAS meeting, February 1997 ; see here Web site: Schneider offers three questions to make a citizen-scientist (2/97) . 18 August 2007 . live . https://web.archive.org/web/20070609092054/http://news-service.stanford.edu/pr/97/970210schneider.html . 9 June 2007 .
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  39. News: What Is Citizen Science, and How Can You Get Involved?. Eric Larson. 26 May 2014. Mashable. live. https://web.archive.org/web/20171110231048/http://mashable.com/2014/05/26/citizen-science/. 10 November 2017.
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  41. Web site: Discover Another Side of Scientific Research. Australian Citizen Science Association. 10 July 2018.
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