Evaluating the Psychometric Properties of the 7-Item Persian Game Addiction Scale for Iranian Adolescents

Frontiers in Psychology
Chung-Ying LinMark D Griffiths

Abstract

The 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...Continue Reading

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Citations

Oct 9, 2020·The Australian and New Zealand Journal of Psychiatry·Matthew Wr StevensDaniel L King
Dec 10, 2020·International Journal of Environmental Research and Public Health·I-Hua ChenHung-Wei Feng
Jun 25, 2021·Frontiers in Psychiatry·Joakim H KristensenEilin K Erevik

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