Comparing groups in a before-after design: when t test and ANCOVA produce different results.

Wright, Daniel B

Comparing groups in a before-after design: when t test and ANCOVA produce different results. [electronic resource] - The British journal of educational psychology Sep 2006 - 663-75 p. digital

Publication Type: Comparative Study; Journal Article

0007-0998

10.1348/000709905X52210 doi


Analysis of Variance
Data Interpretation, Statistical
Humans
Models, Psychological
Psychology--methods
Time Factors