For almost half a century, Paul Meehl educated psychologists about how the mindless use of
null-hypothesis significance tests made research on theories in the social sciences basically …

Variable-oriented, sample-based individual differences research strategies and statistical
modeling approaches to causal-theoretical inference depend on their logic, coherence …

Preregistration has been proposed as a useful method for making a publicly verifiable
distinction between confirmatory hypothesis tests, which involve planned tests of ante hoc …

Psychological Science recently announced changes to its publication guidelines (Eich, in
press). Among these are many positive changes that will increase the quality of the scientific …

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 …

Like many other areas of science, experimental psychology is affected by a “replication
crisis” that is causing concern in many fields of research. Approaches to tackling this crisis …

The extent to which psychological research can be suitably described as a scientific
enterprise has long been a source of doubt, anxiety, and reflection. To those who are rightly …

Accurate empirical tests of theories and hypotheses are not possible unless the inevitable
biases induced into data by measurement error are controlled for. Yet despite 90 years of …

Science progresses by finding and correcting problems in theories. Good theories are those
that help facilitate this process by being hard to vary: They explain what they are supposed …

In the biggest project of its kind, Brian Nosek, a social psychologist and head of the Center
for Open Science in Charlottesville, Virginia, and 269 co-authors repeated work reported in …