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dc.contributor.authorLin, CYen_US
dc.contributor.authorImani, Ven_US
dc.contributor.authorBroström, Aen_US
dc.contributor.authorÅrestedt, Ken_US
dc.contributor.authorPakpour, AHen_US
dc.contributor.authorGriffiths, MDen_US
dc.identifier.citationFrontiers in psychology, 2019, v. 10, no. FEB, 149en_US
dc.description.abstractThe 7-item Gaming Addiction Scale (GAS) is a brief instrument based on DSM criteria to assess gaming addiction. Although the psychometric properties of the GAS have been tested using classical test theory, its psychometric properties have never been tested using modern test theory (e.g., Rasch analysis). The present study used a large adolescent sample in Iran to test the psychometric properties of the Persian GAS through both classical test and modern test theories. Adolescents (n = 4442; mean age = 15.3 years; 50.3% males) were recruited from Qazvin, Iran. In addition to the GAS, all of them completed the following instruments: the nine-item Internet Gaming Disorder Scale-Short Form (IGDS-SF9), Depression Anxiety Stress Scale (DASS), Pittsburgh Sleep Quality Index (PSQI), and a generic quality of life instrument. Two weeks later, all participants completed the GAS again. Confirmatory factor analysis (CFA) and Rasch analysis were used to test the unidimensionality of the GAS. Pearson correlation coefficients were used to test the test-retest reliability, and a regression model was used to test the criterion-related validity of the GAS. Both CFA and Rasch analysis supported the unidimensionality of the GAS. Pearson correlations coefficients showed satisfactory test-retest reliability of the GAS (r = 0.78 to 0.86), and the regression model demonstrated the criterion-related validity of the GAS (β = 0.31 with IGDS-SF9; 0.41 with PSQI). Based on the results, the Persian GAS is a reliable and valid instrument for healthcare providers to assess the level of gaming addiction among Persian-speaking adolescents.en_US
dc.description.sponsorshipDepartment of Rehabilitation Sciencesen_US
dc.publisherFrontiers Research Foundationen_US
dc.relation.ispartofFrontiers in psychologyen_US
dc.rightsCopyright © 2019 Lin, Imani, Broström, Årestedt, Pakpour and Griffiths. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.en_US
dc.rightsThe following publication Lin, C. Y., Imani, V., Broström, A., Årestedt, K., Pakpour, A. H. P., & Griffiths, M. D. (2019). Evaluating the psychometric properties of the 7-item Persian Game Addiction Scale for Iranian adolescents. Frontiers in psychology, 10, 149 is available at
dc.subjectAdolescent gamingen_US
dc.subjectConfirmatory factor analysisen_US
dc.subjectGaming addictionen_US
dc.subjectOnline addictionen_US
dc.subjectRasch modelen_US
dc.titleEvaluating the psychometric properties of the 7-Item persian game addiction scale for Iranian adolescentsen_US
dc.typeJournal/Magazine Articleen_US
dc.description.validate201904 bcmaen_US
Appears in Collections:Journal/Magazine Article
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