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Association for Psychological Science


Effect of facial expression on emotional state not replicated in multilab study

A coordinated replication effort across 17 labs failed to replicate the 1988 study suggesting that facial expressions can trigger emotional reactions. The multilab study used a standardized protocol with over 1,900 participants but found no evidence that inducing particular facial expressions affected their emotional state.

SourceAssociation for Psychological Science·JournalPerspectives on Psychological Science·DateOct 27, 2016

Replication project investigates self-control as limited resource

A new research replication project involving 24 labs and over 2100 participants failed to reproduce findings suggesting self-control is a depletable resource. The study, published in Perspectives on Psychological Science, used computerized tasks to test the ego depletion effect, but found no significant difference between conditions.

SourceAssociation for Psychological Science·JournalPerspectives on Psychological Science·DateJul 29, 2016

What scientists know -- and don't know -- about sexual orientation

A comprehensive review of scientific research on sexual orientation reveals that non-heterosexual feelings are a small but nontrivial percentage of the population across cultures. The study suggests that biological and environmental factors jointly influence sexual orientation, with no evidence to support social learning or increased p...

SourceAssociation for Psychological Science·JournalPsychological Science in the Public Interest·DateApr 25, 2016