Reported benefits of environmental citizen science include the collection of large volumes of data, knowledge and skills gained by participants, local action, and policy influence. However, it is unclear how diverse citizen science participants are, raising concerns about representativeness of data and whether individual, societal, and environmental benefits are evenly distributed.
A survey of 8,220 people representing a cross section of the population in Great Britain asked whether they had participated in environmental citizen science, to examine who is and who is not participating. Using logistic regression, the authors examined relationships between demographic variables, and crucially the interactions between these variables, and the likelihood of participation and whether participation was repeated.
The survey results show men were more likely to participate than women. People identifying as from white ethnic groups were more likely to participate than those identifying as from minority ethnic groups; participation by women from minority ethnic groups was particularly low. Participation by those from white ethnic groups declined with socio-economic status, but this was not the case for those from minority ethnic groups. Participation was highest amongst those in education (studying at school, college, or university) and lowest amongst the unemployed.
The authors recommend citizen science practitioners carefully consider the aims of projects and thus the diversity of participants they wish to attract. They discuss potential mechanisms for widening participation, for example, engaging participants through third parties already embedded in communities and providing a variety of tasks for people with different amounts of time and types of skills to offer. Finally, practitioners are encouraged to document and publish participant demographics to monitor diversity in citizen science.
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