“…An increase in effort through social information may also be applied to citizen science. By providing digital footprints of previous users, researchers can gather richer data using the same number of participants in citizen science projects, which often suffer from low long‐term engagement (Aristeidou, Scanlon, & Sharples, ; Nov, Arazy, & Anderson, ; Ponciano & Brasileiro, ). It is proposed that displaying the quantity of peers' contributions is an effective means to increase contributions through upward social comparison (Diner et al, ; Laut et al, ; Massung, Coyle, Cater, Jay, & Preist, ).…”