Each month our editorial team sifts through hundreds of papers and curates notable findings—for practitioners and informed readers who want to stay current with the evidence. Subscribe to the monthly Research Digest for expert analysis and concise summaries of key papers.
The study asked 63,894 U.S. adults to imagine which would upset them more: their partner having sex with someone else (but not falling in love) or their partner falling in love with someone else (but not having sex). Heterosexual men were more likely than heterosexual women to say sexual cheating…
These two studies tested whether men and women differ in jealousy when real infidelity happened rather than in made-up stories. One study used a paper survey with students and the other used a web survey with non-students. Both studies found that men reported more jealousy about the sexual parts of…
This is a teaching manual (December 2020) about how to do mediation and moderation analyses with SPSS and the free PROCESS macro. It explains the basic models, the regression equations used to estimate effects, the assumptions needed for causal claims, and common tests for indirect effects (like Sobel and bootstrap).…
The study asked people which body images they see in their own mix of mass media (TV, magazines) and social media (Facebook, YouTube, Instagram, Snapchat) using a new picture scale for women (thinness) and men (muscularity). It found that Facebook and YouTube were linked to stronger perceptions of media body…
This survey study of 246 people used transactional stress theory to examine what happens when someone suspects a partner of cheating. People who suspected a partner’s infidelity reported more suspicion-related distress, higher depression, more physical health symptoms, and more risky health behaviors. Statistical tests showed the link to worse well-being…
