Self-control problems have recently received considerable attention from economic theorists. We conducted two studies to test the benefits of externally imposed deadlines and how willpower depletion affects behavior, providing some of the first data in these areas. Each study involved a...

Interventions to improve public health may benefit from consideration of how environmental contexts can facilitate or hinder their success. We examined the extent to which efficacy of interventions to improve African Americans' condom use practices was moderated by two indicators of structural...

Rates of HIV/AIDS and depression in women are significant public health concerns. The current meta-analysis tested the hypothesis that depression levels moderate change in sexual risk behavior in women participating in HIV prevention interventions. Features of the interventions were also...