Selectivity bias in public policy evaluation
By: by Ronald E. Toles.
Published: 1993
Language: eng
Format: Microform
Number of pages: 165
Subjects: Evaluation research (Social action programs); Compensatory education -- Evaluation.; Education, Preschool -- Evaluation.
Notes: Microfilm. Chicago, Ill. : University of Chicago, Joseph Regenstein Library, Dept. of Photoduplication, 1993. 1 microfilm reel ; 35 mm.
Thesis (Ph. D.)--University of Chicago, 1993.