The Quick Test and the WAIS-R were administered to 20 male patients (12 black, 8 white) in an urban prison's psychiatric hospital. The mean chronological age of the sample was 29 yr. Strong positive correlations ranged from .64 to .90 between the Quick Test IQs and the WAIS-R Verbal Scale IQs and Full Scale IQs, with a modest relationship to Performance IQs. These findings suggest that the Quick Test provides a reasonable estimate of conventional verbal intelligence for a population in an urban prison's clinical setting.
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