Kratochwill, Thomas R. Single subject research : strategies for evaluating change edited by Thomas R. Kratochwill - Academic Press New York 1978 1978 - xx, 316 p. :ill. ;24 cm. - Educational psychology . Includes bibliographies and index. Subjects--Topical Terms: Psychometrics.Longitudinal method.Psychology, Educational.--BF LC Class. No.: BF39.S48