TY  - BOOK
AU  - Weiss,Carol H.
TI  - Evaluation : methods for studying programs and policies 
SN  - 0133097250 (pbk)
U1  - 001.433 
PY  - 1998///
CY  - Upper Saddle River, N.J.
PB  - Prentice Hall
KW  - Evaluation research (Social action programs)
KW  - Evaluation purpose
KW  - Evaluation planning
KW  - Collecting data
KW  - Randomized experiment
KW  - Planned variations
KW  - Elevator role
KW  - IIMC
N1  - Rev. ed. of: Evaluation research. 1972
ER  -