# CSULB Psychology Department

*Statistics* Video Tutorials

Introduction to the Video Tutorials

Descriptive Statistics and Comparison of Means

Manipulating Data, Data Files, and Output

Comparing Group Means with T-Tests

Comparing Group Means with ANOVA

Comparing within Person Means Using Repeated and Mixed ANOVAs

Comparing Group Means Controlling for Other Variables ANCOVA

Comparing Categorical Variables

Correlations and Partial Correlations

Regression & Types of Regression

Categorical Predictors in Regression

Regression Diagnostics and Assumptions Statistics