Internet Addiction and the Psychometric Properties of the Nine-item Internet Disorder Scale-Short Form: An Application of Rasch Analysis

摘要

The aim of the present study was to determine the prevalence of disordered internet use among adolescent university students and its association with various health complaints and behaviours, and most importantly to examine the psychometric properties of 9-item Internet Disorder Scale-Short Form (IDS9-SF) using factor analyses and Rasch analysis.