Does smiling make you happier? These and many other popular claims in psychology are not standing up to scrutiny. Here's what that means for science.
A crucial element of scientific progress is the reproducibility of experiments and their results. A problem in contemporary academic institutions has been the discouragement of repeating experiments. The Economist reported in 2013 that in the midst of this deep lack of support for reproducing published studies, some people have been pushing back – most notably in the field of psychology.