AbstractCollective e‹cacy has been identiˆed as a critical determinant of team success in sport. Many studies in sport psychology have focused on the relationships between collective e‹cacy and psychological variables or outcomes of interest. Although an increasing number of studies on collective e‹cacy have been conducted in Japan, greater attention should be given to reˆning the methodology for assessing the construct of collective e‹cacy. The purposes of this study were to conˆrm the factor structure and establish construct validity of the Japanese translated version of the Collective E‹cacy Questionnaire for Sports (J CEQS) with revisions to its original version (Short et al., 2005). The participants were 1244 athletes from 48 teams. We conducted a conˆrmatory factor analysis and found that the J CEQS showed the same multidimensional factor structure as Short's original questionnaire. To test the construct validity of the J CEQS, we examined correlations among its subscale scores with the Group Environment Questionnaire (GEQ, Carron et al., 1985). All the J CEQS subscales were signiˆcantly correlated with the group integration-task subscales. The unity subscale of the J CEQS was also signiˆcantly correlated with all the GEQ subscales. These correlations were similar to those shown in previous studies (Martá ƒnez et al., 2011;Short et al., 2005). The presentˆndings provide preliminary support for the utility of the J CEQS as a measure for assessing collective e‹cacy in sport teams. We discuss recommendations for future studies using the J CEQS.

Previous studies have revealed that past experience shared by the members of a group can uniformly increase or decrease the collective efficacy. However, it remains unknown how appraisal formation processes occur within an athletic team in which each member of varying ability appraises collective efficacy from the perspective of shared past experience. The purpose of this study was to examine the processes related to appraisal of collective efficacy in terms of the task-related abilities of individual members. The participants, 75 healthy males, were assigned to triads. The triads were instructed to cover a combined distance of 2,000 m as quickly as possible on a bicycle. The comparative task-related abilities of the participants were manipulated through false feedback before the task. The results revealed that participants with superior condition only appraised collective efficacy based on their own potential contribution, and that collective efficacy was associated with individual effort during the task. These results could be interpreted in the light of instrumentality, which is an element of the Collective Effort Model (Karau & Williams, 1993).

: Current collective e‹cacy research and future perspectives for sports groups: focusing on performance relativity and analysis methods. Japan J. Phys. Educ. Hlth. Sport Sci. 56: 491 506, December, 2011AbstractA study was conducted to obtain a perspective on the future directions of studies focusing on collective e‹cacy in Japan, including pertinent analytical methods, from three diŠerent viewpoints. First, preceding studies of sports groups in Europe and the USA were extensively reviewed, focusing on collective e‹cacy. This revealed that such studies had centered on group cohesion. It was also found that studies focusing on collective e‹cacy had tended to increase in recent years. Second, empirical studies of sports groups with respect to collective e‹cacy were reviewed, focusing particularly on its relationship with performance. Consequently, it was noted that, in general, collective e‹cacy was positively correlated with performance. Third, multilevel analysis of collective e‹cacy was examined to estimate its future applicability to sports psychology in Japan. Finally, we identiˆed the areas on which future collective e‹cacy studies of sports groups in Japan should be based, as few studies in this area have been conducted.

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