Assessing the psychometric properties of the internet addiction test in Peruvian University students

Arnold Alejandro Tafur-Mendoza, Julio César Acosta-Prado, Rodrigo Arturo Zárate-Torres, Duván Emilio Ramírez-Ospina

Research output: Contribution to journalArticle in a journalpeer-review

1 Scopus citations


The use of the Internet has been gradually and unstoppably gaining ground in all areas of life, from recreational activities to how social relations are established. However, the existence of clinical cases indicates that the addictive use of the Internet is a problem that seriously affects some people. Among the instruments that measure this construct, the Internet Addiction Test (IAT) stands out. However, instrumental studies of this test are scarce in Latin America. The present study sought to analyze the psychometric properties of the IAT in a sample of 227 Peruvian undergraduate university students. Confirmatory factor analysis was used to provide validity evidence based on the internal structure, and evidence based on the relationship with other variables was also provided. Reliability was estimated through the ordinal alpha coefficient. The results indicated that the IAT adequately fits a bifactor model (with two specific factors, time/control and stress/compensate), obtaining good levels of reliability. Additionally, the IAT scores correlate significantly with the average number of hours per day on the internet and social skills. The results lead to the conclusion that the scores in the IAT have evidence of validity and reliability for its use.

Original languageEnglish
Article number5782
Pages (from-to)1-19
Number of pages19
JournalInternational Journal of Environmental Research and Public Health
Issue number16
StatePublished - 10 Aug 2020


  • Internet addiction test
  • Peruvian sample
  • Psychometric properties
  • University students


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