Psychometric validation of the Turkish nine-item Internet Gaming Disorder Scale–Short Form (IGDS9-SF)

May 25, 2018Psychiatry research

Testing the Turkish version of the 9-item scale for diagnosing Internet Gaming Disorder

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Abstract

The prevalence of Internet Gaming Disorder (IGD) among the studied participants ranged from 0.96% in the whole sample to 2.57% among e-sports players.

Confirmatory factor analysis indicated a satisfactory dimensional structure for the nine-item Internet Gaming Disorder Scale-Short Form (IGDS9-SF).
The IGDS9-SF demonstrated high reliability with a Cronbach's alpha of 0.89.
Significant positive correlations were found between daily gaming time, IGDS scores, and Young's Internet Addiction Test-Short Form (YIAT-SF) scores.
Using the DSM-5 criteria, the study identified disordered gaming in a small percentage of participants, emphasizing the tool's potential for early diagnosis.

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The main aims of the current study were to test the factor structure, reliability and validity of the nine-item Internet Gaming Disorder Scale-Short Form (IGDS9-SF), a standardized measure to assess symptoms and prevalence of Internet Gaming Disorder (IGD). In the present study participants were assessed with the IGDS9-SF, nine-item Internet Gaming Disorder Scale (IGDS) and the Young's Internet Addiction Test-Short Form (YIAT-SF). Confirmatory factor analyzes demonstrated that the factor structure (i.e., the dimensional structure) of the IGDS9-SF was satisfactory. The scale was also reliable (i.e., internally consistent with a Cronbach's alpha of 0.89) and showed adequate convergent and criterion-related validity, as indicated by statistically significant positive correlations between average time daily spent playing games during last year, IGDS and YIAT-SF scores. By applying the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) threshold for diagnosing IGD (e.g., endorsing at least five criteria), it was found that the prevalence of disordered gamers ranged from 0.96% (whole sample) to 2.57% (e-sports players). These findings support the Turkish version of the IGDS9-SF as a valid and reliable tool for determining the extent of IGD-related problems among young adults and for the purposes of early IGD diagnosis in clinical settings and similar research.

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Psychometric validation of the Turkish nine-item Internet Gaming Disorder Scale–Short Form (IGDS9-SF)

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