Research field (2)：
Experimental psychology
, Social psychology
Research keywords (2)：
発達心理学
, Developmental psychology
Research theme for competitive and other funds (3)：
2005 - 2007 Intervention studies of the effects of positive affect and coping on health and adaptation
2001 - 2004 小学生の攻撃性
2001 - 2004 School Children's Aggression
Papers (1)：
Sakai Akiko, Yamasaki Katsuyuki. Development of the Proactive and Reactive Aggression Questionnaire for elementary school children. The Japanese journal of psychology. 2004. 75. 3. 254-261
The effects of three types of aggressiveness on depression and enjoyment of school life in elementary school children. Japanese Journal of School Health. 2003. 45,65-75
The criterion for classifications of aggressiveness scores in elementary school children: On the three types of aggressiveness by the P-R Aggression Questionnaire. Bulletin of Mimasama Women's Colloge. 2003. 48, 101-106
