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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

Activity: Power and the Elephant: Understanding the Relation Between Sample Size, Effect Size, and Significance Level

This activity has students participate in a lively game show that serves as a metaphor for the relation between sample size, effect size, and significance level when determining power.

Statistics, statistical significance, power

Author: Lisa M. Dinella

Posted: Thursday, June 10, 2010