The tests described in this index are used by the Institute for Developmental Studies in its principal areas of research and do not include recently developed tests. The research at the Institute is concerned with (1) the relationship of differing environments to language development, (2) classroom communication between teachers and children of various socioeconomic levels, (3) the effect of psychopharmacological agents on children's learning, and (4) relationships among sensory modality preference and efficiency, lateral dominance, and psychological development and functioning. Described, too, are interviews, questionnaires, a variety of tools used to study perception and cognition, and standardized instruments for assessing intelligence, academic achievement, and personality factors. This index provides a brief description of measurement and evaluation techniques in the form of a summary of the purposes for which each test was devised, the method of administration, the way it has bee n used to date, and plans for its future use. (DO)