A DIFFERENTIAL EFFECTS OF EXPERIMENTER VERBAL INSTRUCTIONS BASED ON PM LEADERSHIP THEORY ON SUBJECT'S PSYCHOMOTOR PERFORMANCE AND BLOOD PRESSURE

概要

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This study was designed to investigate the differential effects of experimenter verbal instructions based on P and M leadership patterns in PM leadership theory on subject's psychomotor performance and blood pressure.<BR>Sixteen senior high school girls were divided into two groups randomly. Mirror drawing test was tried ten times, and at the same time blood pressure was measured. Two groups were tested with P or M instructions: P instructions emphasized the speed and accuracy of mirror drawing test, and M instructions were intended to reduce the subject's tension and anxiety.<BR>The main results were as follows:<BR>1. As regards task performance, it was found that speed was accelerated by P instructions, but accuracy was not improved. M instructions accelerated accurate performance.<BR>2. In blood pressure, it was increased by mirror drawing test. But under P instructions an increase in Systolic and Diastolic blood pressure was greater than under M instructions. Especially, its difference was conspicuous in Diastolic blood pressure.