Sidman, Murray. Tactics of scientific research evaluating experimental data in psychology. - New York Basic Books [1960] - 428 p. illus. 24 cm. 920311 Includes bibliography. LCCN: 60013278 /L Subjects--Topical Terms: Psychology--Methodology. LC Class. No.: BF38.5 / .S5 Dewey Class. No.: 150.7253