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

We review the burgeoning literature on the social effects of emotions, documenting the
impact of emotional expressions on observers' affect, cognition, and behavior. We find …

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 worrying number of psychological findings are not replicable. Diagnoses of the causes of
this “replication crisis,” and recommendations to address it, have nearly exclusively focused …

According to the grounded perspective, cognition emerges from the interaction of classic
cognitive processes with the modalities, the body, and the environment. Rather than being …

Researchers are concerned about whether manipulations have the intended effects. Many
journals and reviewers view manipulation checks favorably, and they are widely reported in …

Can happiness be reliably increased? Thousands of studies speak to this question.
However, many of them were conducted during a period in which researchers commonly “p …

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 …

We conducted a systematic review of the evidence underlying some of the most widely
recommended strategies for increasing happiness. By coding media articles on happiness …

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 …