Purpose: Team cohesion and team work are the usual components for explanation of team performance in Korean sport psychological field which is somewhat limited. So for the purpose of systematic and effective explanation of performance, this study was aimed to investigate concept of integral interaction among team members. Methods: Subjects of study were 255 middle and high schools elite players(soccer, basketball and volleyball). Results were extracted from often-ended questionnaires. Data were inductively analyzed through a meeting of experts. Results: With regard to coach interaction, players of team sports represented assimilation, communication and role, and represented assimilation, communication and dependence in regard to colleague player interaction. Conclusion: The present study has contributed to existing literature by providing basic resources to further develop the questionnaires in relation to team sports interaction. Furthermore, the findings from this research may shed light on the scientific and objective knowledge in performance improvement of team sports.

The purpose of this study was to investigate the mediating effect of grades, positions, and match results in the causal relationships between achievement-goal orientation and sport flow among middle and high school soccer players. The total data of 448 copies were collected from middle and high school soccer teams while 405 copies were accepted for final analysis without 43, and multi-group confirmatory factor analysis was conducted to the data. The result of latent mean analysis showed that middle school players had significantly higher mean in sense of control of sport flow and transformation of time, and defenders showed significantly higher than offenders in ego orientation and transformation of time, while winning group achieved significantly higher than losing group in all factors except ecstasy. Also multi-group analysis showed that achievement-goal orientation had significant effect on sport flow in middle and high school players, and middle school players had more powerful effect than high school players. Meanwhile, the achievement-goal orientation affected significantly on sport flow in offenders and defenders, and ego orientation of offenders affects on sport flow. task orientation of winning and losing groups had significant effect on sport flow, and ego orientation of winning group showed significant effect on sport flow.