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PLANNING AN EVALUATION STUDY
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administrative alternative approach benefit-cost ratio benefits bias biases Boruch Campbell Carleton University causal assumptions causal inferences clients collected concern conducted construct validity control group costs covariance criminal defined dependent variable determine dissemination estimates of program evaluability assessment evaluation design evaluation research evaluation study example experimental factors feedback formative research hospital identify impact implemented important increase individuals information system innovation internal validity intervention activities involved major measures ment mental health methods Michael Scriven Negative Income Tax nonequivalent nonrandomized offenders organization organizational outcomes parole participants particular patients planning plausible posttest preconditions pretest problem procedures program effect program evaluation quasi-experiments questions random assignment randomized experiments randomly recidivism regression relative relevant reliability Restitution Center Sesame Street social programs specific staff statistical statistical conclusion validity Structural Equation Models techniques therapy tion treatment effects treatment groups variables