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Presidential Column

Bayes for Beginners: Probability and Likelihood

APS President C. Randy Gallistel has been teaching a Bayesian-oriented graduate course in statistics for years and uses Bayesian methods to analyze his own data. With interest in the statistical approach growing, Gallistel devotes his inaugural presidential column to providing some Bayes basics. ... More>


Report Demonstrates Need for Improved Reproducibility in Psychological Science

A new report highlights the results of a project in which over 270 researchers attempted to reproduce 100 findings published in psychology journals in 2008. ... More>


Racial Bias in Criminal Justice

Unconscious biases toward African Americans still produce major inequities in the criminal justice system. Using statistical analyses, Jennifer Eberhardt has documented how racially coded features, such as a defendant’s skin […]... More>


A Tutorial on Evaluating Hypotheses Using Bayesian Methods

In a recent article in the European Journal of Developmental Psychology, researchers used the example of a hiking trip to illustrate the advantages of Bayesian thinking over traditional statistical methods. ... More>


Observer Article

The Quest For Replicability

Replication failures result just as readily from sampling variability and measurement noise as they do from sloppiness or questionable research practices, asserts APS Treasurer Roberta L. Klatzky. Klatzky, along with Zoltan Dienes, Sean Mackinnon, and Simine Vazire, gives advice for assuring reliable, reproducible findings. ... More>