Pretest-posttest comparison group designs: analysis and interpretation.
Gliner
Jeffery A
JA
Colorado State University, Fort Collins, CO, USA.
Morgan
George A
GA
Harmon
Robert J
RJ
D003627:Data Interpretation, Statistical; D006801:Humans; D016014:Linear Models; D001523:Mental Disorders / Q000628:therapy*; D012107:Research Design