title: Survey burden, response rates, and the tragedy of the commons.
authors.forename: Curtis A
authors.initials: CA
authors.lastname: Olson
mesh_terms: D004496:Education, Continuing; D017144:Focus Groups; D006801:Humans; D020407:Internet; D007407:Interviews as Topic; D012106:Research; D012107:Research Design; D011795:Surveys and Questionnaires