AI Article Synopsis
- The study aimed to validate the IGDS9-SF scale for assessing Internet Gaming Disorder in Brazilian gamers and determine appropriate cut-off points for identifying risky gaming behaviors.
- Researchers gathered data from 610 participants and used various statistical analyses, confirming that the scale is reliable (α=0.82) and has a single-factor structure.
- Results indicated that a score over 16 points suggests risky gaming, while over 21 points indicates a possible diagnosis of Internet Gaming Disorder, supporting the scale's applicability in clinical and research contexts.
Article Abstract
Objectives: The aim of this study was to develop and examine the psychometric properties of the IGDS9-SF in a sample of Brazilian gamers and to find the best cut-off point for this instrument using a normative and clinically diagnosed sample of gamers.
Methods: A total of 610 participants were recruited to the present study. Construct validity was assessed through Exploratory and Confirmatory Factor Analysis (EFA, CFA). Criterion-related validity was established through the associations with Game Addiction Scale (GAS) and weekly gameplay. Reliability analysis was performed using the Cronbach's alpha (α) as the indicator of internal consistency. A cut-off point was estimated using the Receiver Operating Characteristics Curve (ROC curve) where the results of a clinical assessment was used as the gold standard.
Results: EFA and CFA findings confirmed the single-factor structure of the IGDS9-SF. Positive correlations indicated adequate criterion-related validity, and the scale was shown to be reliable (α=0.82). Finally, the optimal cut-off point for risky gaming was found to be >16 points and for diagnosis to be >21 points.
Conclusions: This study provides validity and reliability evidence for the use of the Brazilian version of the IGDS9-SF in the assessment of Internet Gaming Disorder, further supporting its usefulness as a robust psychometric tool that can be employed in clinical and research settings in Brazil.
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| http://dx.doi.org/10.1016/j.addbeh.2019.106191 | DOI Listing |
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