Further Comparative Analyses of Pretest-Posttest Research Designs

Authors
Laird, Nan
Citation
Laird, Nan, Further Comparative Analyses of Pretest-Posttest Research Designs, American statistician , 37(4A), 1983, pp. 329-330
Journal title
American statistician → ACNP
ISSN journal
00031305
Volume
37
Issue
4A
Year of publication
1983
Pages
329 - 330
Database
ACNP
SICI code
Abstract
An alternative method of analysis for randomized pretest-posttest experiments is proposed.It yields treatment contrasts identical to those from ordinary analysis of covariance and also provides adjusted gain scores for each treatment group.