in 1992, the AAMR made a significant change in the way it visualized mental retardation relative to the DSM. This change involved a. Dropping level of severity in favor of levels of intensity of intervention needed. B. Classification of what was then called MR along five, rather than four, levels of severity c. Reducing the levels of severity from four to three d. Shifting the base IQ rate from 85 to 70
