Many key findings in psychological research are under question, as the results of some of its most well-known experiments – such as the marshmallow effect, ego depletion, stereotype threat and the Zimbardo Stanford Prison Experiment – have proved difficult or impossible to reproduce. This has affected numerous careers and led to bitter recriminations in the academic community. So can the insights of academic psychology be trusted and what are the implications for us all? Featuring contributions from John Bargh, Susan Fiske, John Ioannidis, Brian Nosek, Stephen Reicher, Diederik Stapel and Simine Vazire.