A Unified Framework to Quantify the Credibility of Scientific Findings

Societies invest in scientific studies to better understand the world and attempt to harness such improved understanding to address pressing societal problems. Published research, however, can be useful for theory or application only if it is …

Circle of Willis (episode with Sinime Vazire)

Welcome to Episode 8, where I talk to SIMINE VAZIRE, Associate Professor of Psychology at the University of California at Davis, about the stability of personality, our ability to know ourselves, and some of the nuances within the prescriptive advice …

Cognitive Science StackExchange site (for psychology Q&A)

A website about questions on psychology

Comparison of Registered and Published Primary Outcomes in Randomized Controlled Trials

Context: As of 2005, the International Committee of Medical Journal Editors required investigators to register their trials prior to participant enrollment as a precondition for publishing the trial's findings in member journals. Objective: To assess …

CrossValidated StackExchange site (for statistics Q&A)

A website about questions on statistics

Easy preregistration will beneft any research

An article about easy preregistration will benefit any research.

Everything Hertz

A podcast about open science and psychology


G*Power is a tool to compute statistical power analyses for many different t tests, F tests, χ2 tests, z tests and some exact tests. G*Power can also be used to compute effect sizes and to display graphically the results of power analyses


Welcome to GLIMMPSE. The GLIMMPSE software calculates power and sample size for study designs with normally distributed outcomes. Select one of the options below to begin a power or sample size calculation.

Good Science, Bad Science

A syllabi about open science: good science and bad science.