The Judgment Questionnaire subtest (JQ) of the Neuro-behavioral Cognitive Status Examination is a potential tool for examining aspects of executive function. Existing data, however, do not provide reliability or validity measures, or information on the effects of age, education, and gender among individuals over age 60. Because the screening technique of administration and scoring produces scoring anomalies and the scoring criteria are often inadequate to make scoring decisions, we broadened and clarified scoring criteria, and administered and scored all four JQ items. To evaluate the utility of the JQ, we examined its reliability, its discriminant and construct validity, and the effects of age, gender, and education in healthy elderly volunteers and individuals with probable Alzheimer's disease.
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Woods et al. (2000) studied this question.
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