Title: Essential for Evaluation Research
Review: "Quasi-Experimentation" carries on the work begun by Campbell and Stanley in "Experimental and Quasi-Experimental Designs for Research." Beginning with a discussion of the positivist origins of science and evaluation research, it details a range of quasi-experimental approaches suitable to "real world" research, together with statistical techniques applicable to each. The book includes a realistic assessment of the barriers to randomization in natural settings, including the observation that true randomization is rarely used unless there is a marked power differential between the researcher and the subjects. The book is thoughtful, well-written, and invaluable.
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