The Internet Severity and Activities Addiction Questionnaire (ISAAQ) is a two-part questionnaire designed to measure severity of internet addiction (15-item ISAAQ Part A or severity component) and a compendium of putatively problematic internet activities (ISAAQ Part B or activities component) to measure the extent of engagement in online activities respectively, using a 6-point Likert scale (0 = “Not at all” to 5 = “All the time”). Full questionnaire items can be found in the supplementary file in Table S1 and Table S2.
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