Observing behavior / : proceedings of the conference, Application of observational/ethological methods to the study of mental retardation, held at Lake Wilderness, Washington in June, 1976 - Sacket, Gene P.; National Institute of Child Health and Human Development (U.S.).; University of Washington. Child Development and Mental Retardation Center (Baltimore : University Park Press, 1978)
v. 1. Theory and applications in mental retardation.--v. 2. Data collection and analysis methods.
Includes bibliographies and indexes.
Keywords: Mental retardation -- Research -- Congresses