Discovering whether programs work
Subtitle: a guide to statistical methods for program evaluation
By: Laura Irwin Langbein.
Series: The Scott, Foresman public policy analysis and management series
Publisher: Scott, Foresman
Published: 1981
Place of publication: Glenview, Il
Language: eng
Number of pages: 184
Subjects: Social sciences -- Statistical methods.; Evaluation research (Social action programs)
Notes: Includes bibliographies and index.
Originally published: Santa Monica, Calif. : Goodyear Pub. Co., c1980.