This page, created by Gerard E. Dallal of Tufts University, explains simple linear regression with an example on muscle strength versus lean body mass. Dallal uses graphs, mathematical equations and text to illustrate...

This goal of this resource is to aid in the understanding of the relationship between statistics and the scientific method and how it applies to psychology and the behavioral sciences. The learner will learn how to read...

Created by Harvey Motulsky for GraphPad Software, this page provides a table for selecting an appropriate statistical method based on type of data and what information is desired from the data. It also compares...

This collection of free, interactive Java applets provides a graphical interface for studying the power of the most commonly encountered experimental designs. Intended to be useful in planning statistical studies, these...

This collection of applets, created by authors Stefan Michiels and Bert Raeymaekers, simulate many different statistical concepts such as: distributions, correlation, hypothesis testing, regression, and ANOVA. Overall,...