Analysis of Pretest-Posttest Designs

ISBN: 9781584881735 出版年：2000 页码：220 Bonate, Peter L CRC Press

How do you analyze pretest-posttest data? Difference scores? Percent change scores? ANOVA? In medical, psychological, sociological, and educational studies, researchers often design experiments in which they collect baseline (pretest) data prior to randomization. However, they often find it difficult to decide which method of statistical analysis i