Topic: Tests and Linear Contrasts

Reporting Regression Tests and Contrasts Responsibly

Reading Coefficient Test Results in Software

Pairwise Tests and Multiplicity Across Contrasts

Planned Weighted Comparisons Across Several Groups

One-Sided Tests and Directional Claims

Interpreting P Values for Regression Coefficients

Estimating Contrasts and Their Standard Errors

Deriving the Regression Coefficient T Test

Degrees of Freedom in Regression T Tests

Defining Linear Contrasts of Regression Coefficients