Objectively Measured Hyperactivity—I. Comparison With Normal Controls

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Abstract
Seventy-five normal (control) children were compared to 15 hyperactive children on a Continuous Performance Test over an eight-week period. The control children were observed to have a relatively constant number of correct responses, chair movements, and reaction times throughout the testing period. However, when the hyperactive children were differentiated according to their scores on the Conner's Abbreviated Parent Questionnaire, those children scoring one standard deviation above the normative mean were later revealed to have more errors of commission and omission, chair movements, and a longer reaction time than did the normal control children.