Abstract
This paper clarifies how the leader's "Type A Behavior" affects the morale and mental and physical health of followers. This survey was using 67 leaders and their 152 of their followers in a car-related manufacturing plant. Measurement of the "Type A Behavior" questionnaire was made using Maeda's scale. Leadership behavior and morale was based on Misumi's scale. Mental health was measured using the Hopkins Symptom Checklist, and physical health used Watanabe et al.'s scale. The results were as follows : (1) Leader's Type A Behavior is not related to leader's PM behavior, (2) Leader's Type A Behavior increases the morale of followers, (3) Leader's Type A Behavior improves the mental and physical health conditions of followers, (4)Leader's Type A Behavior interacts with the M behavior of follower's morale.
