出版社：Japan Society of Physical Education, Health and Sport Sciences
摘要：Will power or psychological competence, as well as physical fitness and skill, are essential in successful participation in athletic competitions. It seems, however, the exact definition on the concept of will power has not been given. In the present paper, an attempt was made to answer the question "What is will power?" Some aspects of will power as reflected in various behavior traits were examined by the factor analytic method. Then, the will power was considered from the ego psychological standpoint. Finally, the psychological mechanism of will power was explained by the following five ego functions: 1. Self-realization (A) (Achievement) 2. Ego defence 3. Energy integration 4. Ego resiliency, Ego flexibility 5. Self-realization (B) (Autonomy)
其他摘要：Will power or psychological competence, as well as physical fitness and skill, are essential in successful participation in athletic competitions. It seems, however, the exact definition on the concept of will power has not been given. In the present paper, an attempt was made to answer the question "What is will power?" Some aspects of will power as reflected in various behavior traits were examined by the factor analytic method. Then, the will power was considered from the ego psychological standpoint. Finally, the psychological mechanism of will power was explained by the following five ego functions: 1. Self-realization (A) (Achievement) 2. Ego defence 3. Energy integration 4. Ego resiliency, Ego flexibility 5. Self-realization (B) (Autonomy)
