RT Book T1 Evaluation and experiment: some critical issues in assessing social programs T2 Quantitative studies in social relations A2 Bennett, Carl A. A2 Bennett, Carl Allen LA English PP New York u.a. PB Acad. Press YR 1975 UL https://krimdok.uni-tuebingen.de/Record/022741321 NO Outgrowth of a symposium, held at The Battelle Seattle Research Center in July, 1973 SN 0120888505 K1 Sozialpolitik : Effizienzanalyse