Quick Test Inter-Form Reliability in Diverse Clinical Groups and the Effect of Age Correction Factor

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Abstract
All three forms of the Quick Test were administered to 156 patients who were divided into the following categories: brain-damaged, questionably brain-damaged, psychiatric disordered, and controls. High Pearson r correlations for all forms for all groups indicate excellent reliability. Evidence is presented that indicates the age correction factor is excessive and results in elevated IQ scores for older Ss.

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