In an analysis of covariance used for analysing a pre-test / post-test design which variable would you include as the covariate?
A)Pre-test scores
B)Post-test scores
C)The independent variable
D)The dependent variable

Question

Quizplus · Accepted Answer

The pre-test scores are included as the covariate in an analysis of covariance (ANCOVA) for a pre-test/post-test design to control for initial differences between groups, allowing for a more accurate assessment of the effect of the independent variable on the post-test scores.

In an Analysis of Covariance Used for Analysing a Pre-Test