Abstract
The six attentional-style subscales of the Test of Attentional and Interpersonal Style (TAIS, Nideffer, 1976) have been used mainly in the sport psychology area to investigate the relationship between attentional abilities and performance. This study assessed the validity of the Japanese version of the TAIS attentional-style subscales with 157 male and 163 female students. A confirmatory factor analysis failed to validate Nideffer's attentional dimension of bandwidth (narrow to broad attention) and direction (internal to external). The findings replicate previous studies which showed that the structure of the TAIS attention-related subscales is not reasonable and its factorial validity does not meet the needs of psychometrics.
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