Townsend, John C., 1820- Introduction to experimental method for psychology and the social sciences / John C. Townsend. - New York : McGraw-Hill, 1953. - ix, 220 p : ill. ; 24 cm. Includes bibliographical references and index. Subjects--Topical Terms: Psychology--Methodology. Dewey Class. No.: 150.72 / TOI 1953