Confirmatory factor analysis of the irrational Performance Beliefs Inventory (iPBI) in a sample of amateur and semi-professional athletes

TURNER, Martin and ALLEN, Mark (2017) Confirmatory factor analysis of the irrational Performance Beliefs Inventory (iPBI) in a sample of amateur and semi-professional athletes. Psychology of Sport and Exercise, 35. pp. 126-130. ISSN 1469-0292

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Abstract or description

Objectives. This investigation sought to test the construct validity of the irrational
performance beliefs inventory (iPBI) in a sample of amateur and semi-professional
athletes.
Method. In total, 550 athletes (312 men, 212 women, Mage = 38.04 ± 13.80 years)
completed the iPBI and demographic questions at a single time point.
Results. Confirmatory factor analysis showed lower than acceptable fit indices for the
28-item iPBI (comparative fit index [CFI] = .84). After removal of potential problem
items, a 20-item version (iPBI-2) was developed (CFI = .91). Results showed that
amateur athletes scored higher than semi-professional athletes on primary irrational
beliefs and low frustration tolerance, whereas semi-professional athletes scored higher
than amateur athletes on depreciation.
Conclusions. This study provides initial evidence of construct validity for a 20-item
version of the iPBI in an athletic sample, and shows medium effect size differences in
irrational beliefs between amateur and semi-professional athletes.

Item Type:	Article
Faculty:	School of Life Sciences and Education > Sport and Exercise
Depositing User:	Martin TURNER
Date Deposited:	19 Dec 2017 14:43
Last Modified:	23 Feb 2023 23:39
URI:	https://eprints.staffs.ac.uk/id/eprint/3972

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