Administered the Shipley-Hartford Institute of Living Scale to 376 inpatients at a municipal hospital for the treatment of alcoholism. The results indicate that all of the independent variables under study-sex, race, age, and education - have a significant effect on one or more of the Shipley-Hartford scores. As these are considered extraneous variables whether the test is used to measure intelligence or organicity, group means ae provided as rough approximations to correct for bias. The results also provide some support for the validity of the Conceptual Quotient as an indication of organic impairment.
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Dalton et al. (1981) studied this question.