reported that he amount of community-based instruction that a student with mental retardation received was a more powerful predictor of gains in adaptive behavior than student's IQ, level of ambulation, or behavioral problems. The authors emphasized that he impact of CBI on the adaptive skills
of students with mental retardation was ignifcant. Consequently, these students learned to read situations, problem-solve, and make decisons when they were exposed to the large variety of oportunites in natural environments.