Replication—an important, uncommon, and misunderstood practice—is gaining
appreciation in psychology. Achieving replicability is important for making research …

Psychology advances knowledge by testing statistical hypotheses using empirical
observations and data. The expectation is that most statistically significant findings can be …

Most theories and hypotheses in psychology are verbal in nature, yet their evaluation
overwhelmingly relies on inferential statistical procedures. The validity of the move from …

A typical empirical study involves choosing a sample, a research design, and an analysis
path. Variation in such choices across studies leads to heterogeneity in results that introduce …

Many philosophers of science and methodologists have argued that the ability to repeat
studies and obtain similar results is an essential component of science. A finding is elevated …

Good self-control has been linked to adaptive outcomes such as better health, cohesive
personal relationships, success in the workplace and at school, and less susceptibility to …

In 2010–2012, a few largely coincidental events led experimental psychologists to realize
that their approach to collecting, analyzing, and reporting data made it too easy to publish …

Many researchers rely on meta-analysis to summarize research evidence. However, there is
a concern that publication bias and selective reporting may lead to biased meta-analytic …

Psychology has recently been viewed as facing a replication crisis because efforts to
replicate past study findings frequently do not show the same result. Often, the first study …

Concerns about the veracity of psychological research have been growing. Many findings in
psychological science are based on studies with insufficient statistical power and …