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The incidence and utility of the ACID, ACIDS, and SCAD profiles in a referred population
Author(s) -
Ward Sandra B.,
Ward Thomas J.,
Hatt Clifford V.,
Young Debra L.,
Mollner Nancy R.
Publication year - 1995
Publication title -
psychology in the schools
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.738
H-Index - 75
eISSN - 1520-6807
pISSN - 0033-3085
DOI - 10.1002/1520-6807(199510)32:4<267::aid-pits2310320405>3.0.co;2-q
Subject(s) - incidence (geometry) , scad , population , sample (material) , psychology , differential treatment , standardization , demography , medicine , environmental health , chemistry , mathematics , computer science , geometry , chromatography , sociology , myocardial infarction , international trade , business , operating system
THE ACID, ACIDS, and SCAD profiles are examples of subtest patterns from the WISC‐III that have been proposed as potentially helpful in differential diagnosis of exceptionalities. This study investigated the prevalence and utility of these profiles in a large referred population. Although the incidence rates of the ACID and ACIDS profiles in some groups were greater than rates reported for the standardization sample, incidence levels were found to be low in all clinical groups studied. The SCAD profile evidenced generally higher incidence rates but none greater than the rates reported for the standardization sample. The findings support the use of conditional probabilities and incremental gains based on the actual incidence from a referred population to assist in differential diagnosis; however, none of the profiles are recommended as a criterion for determining exceptionality.