Created by authors Mike Lestik, Scott Plous and Geoffrey Urbaniak of the Social Psychology Network, this "Research Randomizer" is a free service offered to "assist researchers and students who want an easy way to perform...

In this module you will have the opportunity to explore the frequency of different types of residential moves carried out by Americans. You will examine some of the basic determinants of residential mobility by looking...

This resource, by journalist Robert Niles, defines and explains standard deviation and the normal distribution. Graphs and a clear list of terms you need to know are given, and links to more of Niles' sites can be found...

A project designed to improve the accuracy of statistical software by providing reference datasets with certified computational results that enable the objective evaluation of statistical software. Dataset archives...

In this activity, students explore calculations with simple rates and proportions, and basic time series data, in the context of news coverage of an important statistical study. From 1973 to 1995, a total of 4578 US...