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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

Podcast Lecture on Validity: How Can You Tell a Good Test from a Bad One?

This podcast discusses validity – or how confident you can be in the results of a test. High validity is what separates the many fun-to-take but essentially meaningless tests you’ll find on the web, and a truly solid test of your personality.

Author: Michael A. Britt, Ph.D.

Posted: Tuesday, June 11, 2013