A very nice resource that talks about difference scores, relative change models, analysis of covariance, and repeated measures models.

Peter L. Bonate. Analysis of Pretest-Posttest Designs. 2000. Chapman and Hall. ISBN-13: 978-1584881735.

41ZErnULACL._SX316_BO1%2c204%2c203%2c200_.jpg not found. width=“260px”}

This Recommendation was added to the website on 2018-05-22 and was last modified on 2020-02-29. You can find similar pages at Longitudinal data.

An earlier version of this page appears here.