Recruiting through partner organizations produced a more diverse set of citizen science volunteers

Compared to the overall U.S. population as measured by census data, 'unfacilitated' volunteers who signed up on their own were disproportionately white. Enrolling volunteers through outreach by students and community organizations produced a group whose makeup was more similar to nationwide percentages for race and ethnicity.

Bar chart showing that the facilitated volunteer group had a larger share of Black, Hispanic or Latino and Asian members than the group of volunteers who signed up on their own.