The conceptualisation and measurement of DSM-5 Internet Gaming Disorder: the development of the IGD-20 Test

Pontes, H.M. ORCID: 0000-0001-8020-7623, Király, O., Demetrovics, Z., Griffiths, M.D. ORCID: 0000-0001-8880-6524 and Liu, Y., 2014. The conceptualisation and measurement of DSM-5 Internet Gaming Disorder: the development of the IGD-20 Test. PLoS ONE, 9 (10). ISSN 1932-6203

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Abstract

Background: Over the last decade, there has been growing concern about ‘gaming addiction’ and its widely documented detrimental impacts on a minority of individuals that play excessively. The latest (fifth) edition of the American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders (DSM-5) included nine criteria for the potential diagnosis of Internet Gaming Disorder (IGD) and noted that it was a condition that warranted further empirical study. Aim: The main aim of this study was to develop a valid and reliable standardised psychometrically robust tool in addition to providing empirically supported cut-off points. Methods: A sample of 1003 gamers (85.2% males; mean age 26 years) from 57 different countries were recruited via online gaming forums. Validity was assessed by confirmatory factor analysis (CFA), criterion-related validity, and concurrent validity. Latent profile analysis was also carried to distinguish disordered gamers from non-disordered gamers. Sensitivity and specificity analyses were performed to determine an empirical cut-off for the test. Results: The CFA confirmed the viability of IGD-20 Test with a six-factor structure (salience, mood modification, tolerance, withdrawal, conflict and relapse) for the assessment of IGD according to the nine criteria from DSM-5. The IGD-20 Test proved to be valid and reliable. According to the latent profile analysis, 5.3% of the total participants were classed as disordered gamers. Additionally, an optimal empirical cut-off of 71 points (out of 100) seemed to be adequate according to the sensitivity and specificity analyses carried.

Item Type:	Journal article
Publication Title:	PLoS ONE
Creators:	Pontes, H.M., Király, O., Demetrovics, Z., Griffiths, M.D. and Liu, Y.
Publisher:	(PLoS) Public Library of Science
Date:	2014
Volume:	9
Number:	10
ISSN:	1932-6203
Identifiers:	Number Type 10.1371/journal.pone.0110137 DOI
Divisions:	Schools > School of Social Sciences
Record created by:	EPrints Services
Date Added:	09 Oct 2015 09:59
Last Modified:	09 Jun 2017 13:15
URI:	https://irep.ntu.ac.uk/id/eprint/5828

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