Behavior Research Methods

, Volume 40, Issue 2, pp 563–574 | Cite as

The three-factor model of Internet addiction: The development of the Problematic Internet Use Questionnaire

  • Zsolt Demetrovics
  • Beatrix Szeredi
  • Sándor Rózsa


Despite the fact that more and more clinical case studies and research reports have been published on the increasing problem of Internet addiction, no generally accepted standardized tool is available to measure problematic Internet use or Internet addiction. The aim of our study was to create such a questionnaire. On the basis of earlier studies and our previous experience with Young’s (1998a) Internet Addiction Test, initially, we created a 30-item questionnaire, which was assessed together with other questions regarding participants’ Internet use. Data were collected online from 1,037 persons (54.1% of them male; mean age, 23.3 years; SD, 9.1). As a result of reliability analysis and factor analysis, we reduced the number of items to 18 and created the Problematic Internet Use Questionnaire (PIUQ) containing three subscales: obsession, neglect, and control disorder. Cronbach’s α of the PIUQ is .87 (Cronbach’s α of the subscales is .85, .74, and .76, respectively). The test-retest correlation of the PIUQ is .90. The PIUQ proved to be a reliable measurement for assessing the extent of problems caused by the “misuse” of the Internet; however, further analysis is needed. nt]mis|This research was supported by Grant KAB-KT-02-13 from the Ministry of Children, Youth, and Sport in Hungary.


Pathological Gambling Internet Usage Online Communication Internet Addiction Slot Machine 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Psychonomic Society, Inc. 2008

Authors and Affiliations

  • Zsolt Demetrovics
    • 1
  • Beatrix Szeredi
    • 1
  • Sándor Rózsa
    • 1
  1. 1.Addiction Research UnitEötvös Loránd UniversityBudapestHungary

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