Analysis of Variance and Covariance

Online Workshops

Assumptions of Linear Models

Running Regressions and ANOVAs in SPSS GLM

The Craft of Statistical Analysis

Fixed and Random Factors in Mixed Models: What IS the difference?

The 13 Steps to Running Any Statistical Model

Effect Size Statistics

Statistically Speaking Trainings

Interactions in ANOVA and Regression Models

MANOVA

Multiple Comparisons

Marginal Means, Your New Best Friend

Crossed and Nested Factors

An Overview of Effect Size Statistics and Why They are So Important

ANCOVA (Analysis of Covariance)

Articles at The Analysis Factor

Specifying Variables as Within-Subjects Factors in Repeated Measures

Interpreting Interactions when Main Effects are Not Significant

Actually, you can interpret some main effects in the presence of an interaction

When Does Repeated Measures ANOVA not work for Repeated Measures Data?

Non-parametric ANOVA in SPSS

When Assumptions of ANCOVA are Irrelevant

ANCOVA Assumptions: When Slopes are Unequal

The Difference Between Crossed and Nested Factors

Checking the Normality Assumption for an ANOVA Model

A Comparison of Effect Size Statistics