Assessing the symptoms of Internet Gaming Disorder among college/university students: An international, validation study of a self-report


Nine item-symptoms represent a single factor of the Internet Gaming
Disorder (IGD).
The ICMH-IGD scale is measuring invariantly the IGD in both genders.
Three out of nine symptom-items are non-invariant across different languages.

The present study evaluated the psychometric properties of a self-report scale for assessing Internet gaming disorder (IGD) symptoms according to the DSM-5 and ICD-11 among 3270 college/university students (2095 [64.1%] females; age mean 21.6 [3.1] years) from different countries worldwide. It was tested the Croatian, English, Polish, Portuguese, Serbian, Turkish, and Vietnamese version of the scale. The study confirmed that the symptoms of IGD could be measured as a single underlying factor among college/university students. A nine item-symptom scale following DSM-5, and a short four-item scale representing the main ICD-11 symptoms, had sound internal consistency and discriminant validity. Three symptom-items were found non-invariant across the language samples (i.e., preoccupation with on-line gaming, loss of interests in previous hobbies and entertainment, and the use of gaming to relieve negative moods). This study provides initial evidence for assessing IGD symptoms among college/university students and foster further research into gaming addiction in this population worldwide especially with the consideration of language/cultural differences.

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