Kwestionariusz perfekcjonizmu w sporcie – konstrukcja i walidacja narzędzia psychometrycznego
CONSTRUCTION AND VALIDATION OF THE PERFECTIONISM IN SPORT QUESTIONNAIRE

Summary/Abstract: Perfectionism is a personality disposition that plays an important role in athletes’ functioning. However, until now there has been no Polish questionnaire allowing to measure perfectionism in a sports context. The present paper shows phases of construction and validation of the Perfectionism in Sport Questionnaire (PSQ). An initial pool of 88 items was developed based on interviews with athletes and analyses of existing measures of perfectionism. An assessment by competent judges resulted in selection of 55 theoretically valid items. Study 1 was conducted to obtain data for exploratory factor analysis, select the most valid items, and to determine the reliability of the scales. Active athletes (N = 137) filled the experimental version of the scale. Study 2 aimed to verify the structure of the final version of PSQ and to measure its psychometric values. Some athletes (N = 129) filled PSQ, as well as a personality inventory measuring the Big Five personality traits, and provided information about their training frequency and their level of sport advancement. Study 3 sought for further validation of the tool by analyzing the relationships between football players’ (N = 23) PSQ scores and levels of both their positive and negative perfectionism perceived by their coaches. The conducted analyses helped to develop a final, 30-item version of PSQ. The internal consistency of the two subscales was very satisfactory in all samples. Associations with personality dimensions, declared level of sport advancement, and coaches’ assessments of an athlete’s perfectionism provide further evidence for the validity of the questionnaire. PSQ is a valid psychometric measure of negative and positive perfectionism in a sports context. The questionnaire can be used for scientific research and individual work with players.

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