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Rasch analysis of the General Self-Efficacy Scale (GSES) in spinal cord injury (SCI)

Rasch analysis of the General Self-Efficacy Scale (GSES) in spinal cord injury (SCI)
Rasch analysis of the General Self-Efficacy Scale (GSES) in spinal cord injury (SCI)
This study examined the psychometric properties of the General Self-Efficacy Scale by applying Rasch analysis to data from 102 persons with spinal cord injury. Our results suggest that the General Self-Efficacy Scale is a psychometrically robust instrument suitable for application in a spinal cord injury population. The General Self-Efficacy Scale shows an overall fit to the Rasch model (?2 = 15.5, df = 20, p = .75), high reliability (rp = 0.92), ordered response scale structure, and no item bias by gender, age, education, and lesion levels. However, the analyses indicate a ceiling effect and potential to enhance the differentiation of the General Self-Efficacy Scale across self-efficacy levels
psychometrics, rasch analysis, rehabilitation, self-efficacy, spinal cord injury
1461-7277
544-555
Peter, Claudio
0f06982d-dc17-4253-aec2-1b5f64d41d29
Cieza, Alarcos
a0df25c5-ee2c-4580-82b3-d0a75591580e
Geyh, Szilvia
277a9f7e-1e41-48ef-ad1a-cb91f559f215
Peter, Claudio
0f06982d-dc17-4253-aec2-1b5f64d41d29
Cieza, Alarcos
a0df25c5-ee2c-4580-82b3-d0a75591580e
Geyh, Szilvia
277a9f7e-1e41-48ef-ad1a-cb91f559f215

Peter, Claudio, Cieza, Alarcos and Geyh, Szilvia (2014) Rasch analysis of the General Self-Efficacy Scale (GSES) in spinal cord injury (SCI). Journal of Health Psychology, 19 (4), 544-555. (doi:10.1177/1359105313475897). (PMID:23463793)

Record type: Article

Abstract

This study examined the psychometric properties of the General Self-Efficacy Scale by applying Rasch analysis to data from 102 persons with spinal cord injury. Our results suggest that the General Self-Efficacy Scale is a psychometrically robust instrument suitable for application in a spinal cord injury population. The General Self-Efficacy Scale shows an overall fit to the Rasch model (?2 = 15.5, df = 20, p = .75), high reliability (rp = 0.92), ordered response scale structure, and no item bias by gender, age, education, and lesion levels. However, the analyses indicate a ceiling effect and potential to enhance the differentiation of the General Self-Efficacy Scale across self-efficacy levels

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More information

e-pub ahead of print date: 5 March 2013
Published date: April 2014
Keywords: psychometrics, rasch analysis, rehabilitation, self-efficacy, spinal cord injury
Organisations: Psychology

Identifiers

Local EPrints ID: 351421
URI: https://eprints.soton.ac.uk/id/eprint/351421
ISSN: 1461-7277
PURE UUID: 1f622858-f39b-4ebc-a2f3-d54210cfa035

Catalogue record

Date deposited: 19 Apr 2013 13:24
Last modified: 18 Jul 2017 04:26

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