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Encyclopedia of Evaluation

Sandra Mathison

Pub. date: 2005 | DOI: http://dx.doi.org/10.4135/9781412950558

Print ISBN: 9780761926092 | Online ISBN: 9781412950558

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Marco A. Muñoz

In conditions where participants cannot be randomly assigned to program and control groups, theuse of proper nonrandomized control groups ...

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