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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: Measuring Relationships

This site has a series of Java animations to illustrate basic statistical concepts related to measuring relationships. The illustrations relate to measures that seek to describe if a relationship exists between two variables.

Example activities:
Visualizing Correlations: have students see if they can predict the actual correlation.

Restriction of Range: Change the correlation to different values and see if the effects of restriction of range are the same or different for weak vs. strong correlations.

correlation; restriction of range

Author: John H. Krantz
Hanover College

Posted: Wednesday, July 14, 2010