00611pam a2200157 a 4500 0133097250 (pbk) 001.433 WEI Weiss, Carol H. Evaluation methods for studying programs and policies Upper Saddle River, N.J. Prentice Hall 1998 xii, 372 p. ; 23 cm. Rev. ed. of: Evaluation research. 1972. Evaluation research (Social action programs) Evaluation purpose Evaluation planning Collecting data Randomized experiment Planned variations Elevator role IIMC BK 0 0 0 0 IMC IMC 2014-01-16 Purchased 0 001.433 WEI 19824 2014-01-16 00:00:00 1 2014-01-16 BK 11674 11674