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ERIC Number: EJ782566
Record Type: Journal
Publication Date: 2006-Sep
Pages: 14
Abstractor: Author
Reference Count: 0
ISSN: ISSN-0895-8017
Large State-Level Fluctuations in Mental Retardation Classifications Related to Introduction of Renormed Intelligence Test
Scullin, Matthew H.
American Journal on Mental Retardation, v111 n5 p322-335 Sep 2006
Oppositely valenced forces may be at work to influence rates of placement of children into mental retardation programs. On one hand, educational policies regarding intellectual disability and concerns about overrepresentation of minorities in special education may contribute to lower placement rates; on the other hand, more difficult intelligence test norms may be a countervailing force, increasing placement rates. An analysis of longitudinal data on state and national level placement rates reveals that a lengthy and steep 12-year decline in students receiving mental retardation services reversed shortly after the introduction of the WISC-III in 1991. This phenomenon has relevance for death-penalty cases, because this historical pattern may affect the ability to establish whether an adult meets the developmental period onset criterion for mental retardation.
American Association on Mental Retardation. P.O. Box 7065, Lawrence, KS 66044-7065. Tel: 785-843-1235; Fax: 785-843-1274; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A