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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

Discovering the Scientist Within offers an utterly unique approach to the research methods course. Rather than taking students through statistical methods one at a time, the authors provide a series of realistic and engaging case studies with each design-focused chapter presenting a single study start to finish. View More

Discovering the Scientist Within

Activity: Identifying Potential Threats to Interval Validity Using MRS SMITH

To help students remember potential sources of threats to internal validity, I use the acronym "MRS SMITH." Read More...

Activity: Threats to Internal Validity: Smarties vs. Dum Dums

This activity helps students remember potential sources of threats to internal validity, through an in-class activity Read More...

Podcast Lecture on Reliability: The Foundation of Any Good Personality Test

This podcast takes a look at the first thing you should demand from any test – reliability. Can you tell your Read More...

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 Read More...