ETHNICITY, GEOGRAPHIC LOCALE, AGE, SEX, AND URBAN-RURAL RESIDENCE AS VARIABLES IN PREVALENCE OF MILD RETARDATION

  • 1 January 1976
    • journal article
    • research article
    • Vol. 81  (2) , 154-161
Abstract
The Wechsler Intelligence Scale for Children-Revised (WISC-R) was administered to 950 of a stratified random sample of 1040 children in Pima County, Arizona [USA]. The sample was stratified for ethnicity (Anglo, Black, Mexican-American and Papago Indian), urban-rural residence, sex and grade level. The 3 WISC-R IQ scores and cutoff points of 69 and 75 were used in comparisons of prevalence of mild mental retardation. This prevalence was significantly related to ethnicity and geographic locale. Sex, urban-rural residence and grade level were not related to prevalence.

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