When academics and other researchers need to recruit people for large-scale surveys, they often rely upon crowdsourcing sites like Prolific or Amazon Mechanical Turk. Participants sign up to provide demographic information and opinions in exchange for money or gift cards. Prolific currently has about 200,000 active users, who it promises have been vetted “to prove that they are who they say they are.” When academics and other researchers need to recruit people for large-scale surveys, they often rely upon crowdsourcing sites like Prolific or Amazon Mechanical Turk. Participants sign up to provide demographic information and opinions in exchange for money or gift cards. Prolific currently has about 200,000 active users, who it promises have been vetted “to prove that they are who they say they are.” Social Sciences Phys.org – latest science and technology news stories