Karageorghis, Costas I. and Priest, David-Lee and Terry, Peter C. and Chatzisarantis, Nikos L. D. and Lane, Andrew M. (2006) Redesign and initial validation of an instrument to assess the motivational qualities of music in exercise: the Brunel Music Rating Inventory-2. Journal of Sports Sciences, 24 (8). pp. 899-909. ISSN 0264-0414
Abstract
In the present study a measure to assess the motivational qualities of music in exercise was redesigned, extending previous research efforts (Karageorghis et al., 1999). The original measure, the Brunel Music Rating Inventory (BMRI), had shown limitations in its factor structure and its applicability to non-experts in music selection. Redesign of the BMRI used in-depth interviews with eight participants (mean age 31.9, s = 8.9 years) to establish the initial item pool, which was examined using a series of confirmatory factor analyses. A single-factor model provided a good fit across three musical selections with different motivational qualities (CFI: .95 - .98; SRMR: .03 - .05). The single-factor model also demonstrated acceptable fit across two independent samples and both genders using one piece of music (CFI: .86 – 1.00; SRMR: .04 - .07). The BMRI was designed for experts in selecting music for exercise (e.g. dance aerobic instructors), whereas the BMRI-2 can be used both by exercise instructors and participants. The psychometric properties of the BMRI-2 are stronger than those of the BMRI and it is easier to use. The BMRI-2 provides a valid and internally consistent tool by which music can be selected to accompany a bout of exercise or a training session. Furthermore, the BMRI-2 enables researchers to standardise music in experimental protocols involving exercise-related tasks.
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