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The Exercise Addiction Inventory-3 is the latest version of the Exercise Addiction Inventory, whose use has become more frequent in several countries. The present study investigated its psychometric properties among Turkish adults. The study recruited 389 participants through online social media platforms. Reliability was tested through Cronbach’s alpha and McDonald’s omega. Validity was tested through correlations among the Exercise Addiction Inventory-3 score and scores on the Exercise Dependence Scale-Revised, Ten-Item Personality Inventory, SCOFF Questionnaire, and Obsessive-Compulsive Inventory-Revised. Structural validity was tested via confirmatory factor analysis and measurement invariance. The findings suggested that the Turkish version of the Exercise Addiction Inventory-3 is reliable. Moreover, confirmatory factor analysis indicated that the models demonstrated good to excellent fit indices. Partial measurement invariance was observed. The Exercise Addiction Inventory-3 scores were positively correlated with the Exercise Dependence Scale-Revised and Obsessive-Compulsive Inventory-Revised scores. The total scale score and the Addiction Tendency subscale score were negatively correlated with SCOFF scores but not the Health Relevance subscale scores. The Turkish Exercise Addiction Inventory-3 is a reliable and valid instrument to assess the risk of exercise addiction that differentiates at-risk groups from passionate exercisers. Implications for future studies are discussed.
Ozer et al. (Fri,) studied this question.