Evaluating with validity by House, Ernest R.

Discovering whether programs work a guide to statistical methods for program evaluation by Langbein, Laura Irwin

The Practice of policy evaluation

Women and the mass media sourcebook for research and action by Butler, Matilda

Discovering whether programs work a guide to statistical methods for program evaluation by Langbein, Laura Irwin

Toward reform of program evaluation

Evaluating with validity by House, Ernest R.

Qualitative evaluation methods by Patton, Michael Quinn

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Benefit-cost analysis for program evaluation by Thompson, Mark S.

Program evaluation in the human services by Washington, Robert O.