Examined was the relationship between length of institutionalization and IQ change in 46 school-aged, socially deprived, retarded girls. (Author)

Environmental interaction in a dayhall housing 31 severely and profoundly retarded adolescents at a Connecticut State institution, was evaluated within the initial existing facility, and the same facility redesigned to provide an enriched environment. (Author)

Reported are the findings of a research study to determine the effects of physical environment on the learning behavior of 13 institutionalized moderately and severely retarded individuals (14-18 years old). An introductory section covers the need for research in environmental control, the five study objectives, study procedures, data collection…

Provided is the revised and updated version of a report on the effects of physical environment on the learning behavior of 13 institutionalized moderately and severely retarded individuals (14 to 18 years old). An introductory section covers the need for research in enviornmental control, study objectives and procedures, methodology, and…