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The children of alcoholics screening test (CAST): Test-retest reliability and concordance validity

✍ Scribed by Hélène Charland; Gilles Côté

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
82 KB
Volume
54
Category
Article
ISSN
0021-9762

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✦ Synopsis

In a bid to verify these reservations, 376 college students were each evaluated twice by means of the CAST. Results confirm the high reliability and validity of this instrument in identifying grown-up children raised in homes with at least one alcoholic parent. Reliability was demonstrated by good internal consistency, high item-total scale correlations, and near perfect test-retest agreement (k ϭ .83). Furthermore, concordance between high CAST scores and satisfaction of recognized criteria for alcohol dependence, as measured with the Structured Clinical Interview for the DSM-III-R (SCID), attests to the CAST's external validity (k ϭ .78). Moreover, factor analysis shows the instrument to have a unidimensional structure. Finally, with a cutoff score of 6 or more, the CAST demonstrates excellent sensitivity and specificity.

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