Measuring DSM-5 internet gaming disorder: Development and validation of a short psychometric scale.

•The IGDS-SF9 was developed and its psychometric properties were examined.•The IGDS-SF9 showed satisfactory psychometric properties.•The IGDS-SF9 is suitable for measuring IGD.•APA’s internet gaming disorder criteria can be operationalized via IGDS-S9.•The IGDS-SF9 was developed to promote a unified research approach in the IGD field.