The Hard Problem of Psychology

To what extent can experiments in a laboratory inform us about the human mind? The replication crisis in the social sciences suggest the answer is “to some extent” but not much more.

Brian Nosek estimated the reproducibility of 100 studies in psychological science from three high-ranking psychology journals.[40] Overall, 36% of the replications yielded significant findings (p value below 0.05) compared to 97% of the original studies that had significant effects. – Wikipedia

According to the Atlantic, a different attempt to replicate findings from psychology failed half the time, some of these studies include the ideas of social priming (subliminal messages affect behavior), ego depletion (our will power is limited and can run out), and facial feedback (forcing ourselves to smile makes us feel happier)