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

Turner, MJ ORCID: https://orcid.org/0000-0003-1975-5561 and Allen, MS (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

© 2017 Elsevier Ltd 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, M age = 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] = 0.84). After removal of potential problem items, a 20-item version (iPBI-2) was developed (CFI = 0.91). 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
Peer-reviewed:	Yes
Date Deposited:	17 Dec 2019 12:56
Publisher:	Elsevier
Additional Information:	This is an Author Accepted Manuscript of a paper accepted for publication in Psychology of Sport and Exercise published by and copyright Elsevier.
Divisions:	Faculties > Health and Education
Subject terms:	Construct validity, Criterion validity, REBT, Gender differences, Social Sciences, Science & Technology, Life Sciences & Biomedicine, Hospitality, Leisure, Sport & Tourism, Psychology, Applied, Psychology, Sport Sciences, Social Sciences - Other Topics, Construct validity, Criterion validity, REBT, Gender differences, FIT INDEXES, IDENTITY, 11 Medical and Health Sciences, 13 Education, 17 Psychology and Cognitive Sciences, Sport Sciences
URI:	https://e-space.mmu.ac.uk/id/eprint/624593
DOI:	https://doi.org/10.1016/j.psychsport.2017.11.017
ISSN	1469-0292

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