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The Rich Get Richer? Limited Learning in Charitable Giving on donorschoose.org., and . ICWSM, page 172-181. AAAI Press, (2017)Student use of Facebook for organizing collaborative classroom activities., , , , and . Int. J. Comput. Support. Collab. Learn., 6 (3): 329-347 (2011)Motivations to participate in online communities., , , and . CHI, page 1927-1936. ACM, (2010)Security when people matter: structuring incentives for user behavior., and . ICEC, volume 258 of ACM International Conference Proceeding Series, page 7-14. ACM, (2007)Critical Mass of What? Exploring Community Growth in WikiProjects., and . ICWSM, The AAAI Press, (2014)Folk models of home computer security.. SOUPS, volume 485 of ACM International Conference Proceeding Series, ACM, (2010)Latent Users in an Online User-Generated Content Community., , , and . Comput. Support. Cooperative Work., 23 (1): 21-50 (2014)How an Online Health Support Community Responded to the COVID-19 Crisis., and . HICSS, page 1-10. ScholarSpace, (2022)Crowdfunding: an emerging field of research., , , , , and . CHI Extended Abstracts, page 1093-1098. ACM, (2014)Design decisions in the RideNow project., , and . GROUP, page 132-135. ACM, (2005)