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The Internet Gaming Disorder Scale.

Jeroen S Lemmens1, Patti M Valkenburg1, Douglas A Gentile2

  • 1Amsterdam School of Communication Research.

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|January 7, 2015
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Summary
This summary is machine-generated.

This study validated survey instruments for Internet Gaming Disorder (IGD) in Dutch adolescents and adults. The 9-item dichotomous scale is recommended for diagnosing IGD, with an estimated prevalence of 4-5%.

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Area of Science:

  • Psychiatry
  • Psychology
  • Public Health

Background:

  • Internet Gaming Disorder (IGD) is recognized in the DSM-5 appendix.
  • Assessing IGD requires reliable and valid measurement tools.
  • Previous instruments for IGD may lack robust psychometric properties.

Purpose of the Study:

  • To evaluate the reliability and validity of four survey instruments for measuring IGD based on DSM-5 criteria.
  • To identify the most practical and psychometrically sound scale for IGD assessment.
  • To determine the prevalence of IGD in a representative sample of Dutch adolescents and adults.

Main Methods:

  • A representative sample of 2,444 Dutch individuals aged 13-40 years participated.
  • Four scales (27-item and 9-item, polytomous and dichotomous) measuring IGD were tested.
  • Confirmatory factor analyses, reliability tests, and criterion-related validity analyses were conducted.

Main Results:

  • All four scales demonstrated satisfactory structural validity, reliability, and criterion-related validity.
  • The 9-item dichotomous IGD scale exhibited the strongest psychometric properties and practicality for diagnosis.
  • Latent class analysis identified three gamer groups: normal, risky, and disordered.
  • The prevalence of IGD in the Netherlands was estimated at approximately 4%, rising to over 5% using the DSM-5 diagnostic threshold.

Conclusions:

  • The 9-item dichotomous scale is a reliable and valid instrument for assessing Internet Gaming Disorder.
  • The study provides valuable insights into the prevalence and characteristics of IGD among Dutch youth and adults.
  • Findings support the clinical recognition and measurement of IGD.