Review of Experimental and Quasi-experimental Designs for Generalized Causal Inference: By W.R. Shadish, T.D. Cook, D.T. Campbell, 2002; Houghton-Mifflin, Boston
G JulnesVolume:
27
Year:
2004
Language:
english
Pages:
13
DOI:
10.1016/j.evalprogplan.2004.01.006
File:
PDF, 156 KB
english, 2004