This video explains how to run an ANCOVA in SPSS, including how to test for homogeneity of regression.
ANCOVA in SPSS
How to Use SPSS: One-Way ANCOVA
Pretest and Posttest Data Analysis with ANCOVA in SPSS
ANCOVA (GLM 2)
Univariate
Testing the Assumptions for ANCOVA in SPSS including Homogeneity of Regression Slopes
Statistics 101: Understanding Covariance
Multiple Regression - Interaction- SPSS (part 1)
