The psychometrics of Internet addiction and Internet Gaming Disorder: a step towards measurement unification

Pontes, H.D.O.M. ORCID: 0000-0001-8020-7623, 2017. The psychometrics of Internet addiction and Internet Gaming Disorder: a step towards measurement unification. PhD, Nottingham Trent University.

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Abstract

Previous research on gaming addiction and Internet addiction (IA) has relied on inconsistent definitions and theoretical frameworks to define these constructs, and has negatively impacted on their assessment. However, the American Psychiatric Association (APA) included 'Internet Gaming Disorder' (IGD) as a tentative disorder in need of further investigation in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). Following this preliminary recognition of gaming addiction as potential disorder, unification and standardisation in the field in terms of assessment became possible given that the DSM-5 provided a set of official criteria defining IGD that could be implemented in future research. The research in this thesis substantially contributes to knowledge by (i) systematically reviewing the inconsistencies in the psychometric assessment of IGD and IA, (ii) developing a new potentially unifying standardised psychometric assessment framework for both disorders, and (iii) identifying potential risk factors for IGD and IA. A cross-sectional design was employed across all empirical studies (Study 1, N = 1,003; Study 2, N = 1,060; Study 3, N = 1,105; Study 4, N = 1,100), and the data were analysed using structural equation modelling (i.e., measurement model and latent profile analysis), alongside traditional bivariate statistical modelling. The results indicated that, at a theoretical level, the use of inconsistent assessment tools to investigate IGD and IA has hindered progress in the field. At an empirical level, the Internet Gaming Disorder Test (IGD-20 Test) and the Internet Gaming Disorder Scale–Short-Form (IGDS9-SF) were developed to assess IGD, and the Internet Disorder Scale (IDS-15) and the Internet Disorder Scale–Short Form (IDS9-SF) were developed to assess IA based on the IGD conceptualisation provided by the APA in the DSM-5. Overall, the research in this thesis confirms the usefulness of the utilisation of the IGD framework and the
psychometric tools developed as a potential avenue to overcome the shortcomings related to previous heterogeneity issues in the assessment of both IGD and IA.

Item Type: Thesis
Creators: Pontes, H.D.O.M.
Date: March 2017
Rights: This work is the intellectual property of the author. You may copy up to 5% of this work for private study, or personal, non-commercial research. Any re-use of the information contained within this document should be fully referenced, quoting the author, title, university, degree level and pagination. Queries or requests for any other use, or if a more substantial copy is required, should be directed to the owner(s) of the Intellectual Property Rights.
Divisions: Schools > School of Social Sciences
Depositing User: Linda Sullivan
Date Added: 12 Jun 2017 14:58
Last Modified: 12 Jun 2017 14:58
URI: http://irep.ntu.ac.uk/id/eprint/30943

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