Quasi-experimentation
Subtitle: design & analysis issues for field settings
By: Thomas D. Cook, Donald T. Campbell ; [project editor, Gayle Fankhauser ; cover illustrator, Arles Day].
Contributors: Campbell, Donald Thomas, 1916- joint author.
Publisher: Rand McNally College Pub. Co.
Published: 1979
Place of publication: Chicago
Language: eng
Number of pages: 405
Subjects: Social sciences -- Research.; Social sciences -- Field work.
Notes: Bibliography: p. 387-396.
Includes index.