OBJECTIVES: There are dozens of screening instruments purporting to measure the (Internet) gaming disorder (IGD/GD). The two prominent diagnostic manuals, DSM-5 and ICD-11, list several additional diagnostic or clinical features and problems (e.g., neglect of sleep, neglect of daily duties, health deterioration) that should co-occur or be caused by the IGD/GD. It remains unclear how specific IGD/GD operationalizations (different screening scales) are related to these functional impairments. METHODS: To explore this, data on six measures of IGD/GD (IGDS9-SF, GDSS, GDT, GAMES test, two self-assessments) and 18 additional diagnostic features were collected from a sample of 1009 players who play digital games at least 13 h per week. A network approach was utilized to determine which operationalization is most strongly associated with functional impairment. RESULTS: In most of the networks, IGD/GD consistently emerged as the most central node. CONCLUSION: The similar centrality of IGD/GD, irrespective of its definition (DSM-5 or ICD-11) or operationalization, provides support for the valid comparison or synthesis of results from studies that used instruments coming from both DSM-5 and ICD-11 ontologies, but only if the goal is to evaluate IGD/GD relationships to other phenomena, not the relationships between the symptoms themselves.

Faculty of Education Charles University Prague Czechia

Faculty of Education University of Presov Prešov Slovakia

Faculty of Humanities and Social Sciences University of Jyväskylä Jyväskylä Finland

Institute of Psychology Czech Academy of Sciences Prague Czechia

Institute of Social Sciences CSPS SAS Košice Slovakia

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