The Psychological Performance Inventory: Is the mental toughness test tough enough?
Mental toughness, stemming in part from Loehr's 1986 classic research, is widely alluded to as a critical variable in the popular media and applied sport psychology. We evaluated the construct validity of responses to Loehr's (1986) Psychological Performance Inventory (PPI) by 263 student-athletes from an elite sports high school. As confirmatory factor analysis yielded a poor model fit and an improper solution for the a priori model, we pursued exploratory factor analyses that resulted in a ...Expand abstract
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- INTERNATIONAL JOURNAL OF SPORT PSYCHOLOGY
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