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Research Methods

The Science of Psychology


Reliability & Validity

Conceptualizing a Research Study

Descriptive Methods

Key Elements of Experimental Design

Experimental Designs

Quasi-Experimental Designs

Applying Research Concepts

General Review Material


Why We Need Statistics

Levels of Measurement

Central Tendency and Variability

Inferential Statistics

Statistical Significance

Single Sample t-test

t-test for Dependent Means

t-test for Independent Means

One-way Analysis of Variance

Factorial Analysis of Variance

Repeated Measures Analysis of Variance




Scale Reliability

Applying Statistical Concepts

General Review Material

Online Simulation: Confidence Interval

This Java applet is designed to help students understand what is meant by a confidence interval around the mean Read More...

Online Simulation: Properties of the Mean and Median

This Java applet demonstrates the basic properties of the mean and median, including the effect of skew on both Read More...

Online Simulation: Sampling Distributions

his Java applet estimates and plots the sampling distributions of various statistics based upon the user’s specified Read More...

Screencast Tutorial for Descriptive Statistics (Catherine's Study)

Through a combination of narrated PowerPoint slides and real-time screen capture of PASW/SPSS, we present a novel Read More...