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      The psychometric evaluation of the Revised Exercise Addiction Inventory: Improved psychometric properties by changing item response rating

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          Abstract

          Background

          The Exercise Addiction Inventory (EAI) is a short, valid, and reliable instrument used to assess the risk for exercise addiction, and has already been used in numerous published studies. The EAI contains six items, rated on a 5-point scale ( strongly agree to strongly disagree), which are based on the components model of addiction. The middle of the original scale (scoring 3 out of 5) reflects neither agreement nor disagreement, which conveys neutrality. However, the present authors believe that individual who provides a neutral opinion on each item (i.e., scoring 3) is a conceptual dilemma because it artificially increases the total score obtainable on the scale without yielding agreement or disagreement with a particular item. Indeed, the six items of the EAI are phrased in such way that respondents can either agree or disagree in the slightly to strongly range.

          Methods

          This study modified the EAI from a 5-point rating scale to a 6-point one, so that it eliminated a middle neutral response. A total of 277 exercising participants completed the Revised Exercise Addiction Inventory (EAI-R) and Exercise Dependence Scale.

          Results

          All psychometric properties of the EAI-R were superior to the originally published scale.

          Conclusion

          Considering these findings, it is recommended that scholars now use the EAI-R in the future research if they need to assess the risk of exercise addiction.

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          Most cited references 16

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          A ‘components’ model of addiction within a biopsychosocial framework

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            A “components” model of addiction within a biopsychosocial framework.

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              How Much is Too Much? The Development and Validation of the Exercise Dependence Scale

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                Author and article information

                Journal
                J Behav Addict
                J Behav Addict
                jba
                JBA
                Journal of Behavioral Addictions
                Akadémiai Kiadó (Budapest )
                2062-5871
                2063-5303
                28 March 2019
                March 2019
                : 8
                : 1
                : 157-161
                Affiliations
                [1 ]Institute of Health Promotion and Sport Sciences, Faculty of Education and Psychology, ELTE Eötvös Loránd University , Budapest, Hungary
                [2 ]Institute of Psychology, ELTE Eötvös Loránd University , Budapest, Hungary
                [3 ]Department of Psychology, The Nottingham Trent University , Nottingham, UK
                Author notes
                [* ]Corresponding author: Prof. Attila Szabo, PhD, DSc; Institute of Health Promotion and Sport Sciences, Faculty of Education and Psychology, ELTE Eötvös Loránd University, Bogdánfy u. 10/B, Budapest 1117, Hungary; Phone: +36 70 243 7123; E-mail: szabo.attila@ 123456ppk.elte.hu
                Article
                10.1556/2006.8.2019.06
                7044604
                30920295
                © 2019 The Author(s)

                This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited, a link to the CC License is provided, and changes – if any – are indicated. (SID_1)

                Page count
                Figures: 0, Tables: 1, Equations: 0, References: 18, Pages: 5
                Product
                Funding
                Funding sources: This study was supported by the Hungarian National Research, Development and Innovation Office (grant number: KKP126835).
                Categories
                Brief Report
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