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Validation and psychometric analysis of the Internet Addiction Test in Spanish among college students

Abstract: BACKGROUND: The wide use of the Internet in the workplace, academic or social field, can have an impact on daily life. One of the most used questionnaires worldwide to analyse these problems is the Internet Addiction Test (IAT). Our aim was to validate a Spanish version of the IAT and analyse its psychometric properties. METHODS: Population of study were college students participating in the uniHcos project (Universities of Granada, Huelva, Jaén, León, Salamanca, and Vigo). The questionnaire was translated and back-translated by two native English speakers. Reliability of scores was analysed using Pearson's correlation coefficient and agreement was analysed using the Bland-Altman and Kappa techniques. Test dimensions were analysed by exploratory and confirmatory factor analysis. RESULTS: The reliability of scores was good (r?=?0.899, Kappa?=?0.650 and mean difference using Bland-Altman?=?-3.5). The psychometric assessment identified two factors (Emotional Investment; Performance and Time Management) which explained 55 % of the variance (total internal consistency of 0.91) and only 19 items. The confirmatory analysis showed an acceptable goodness of fit, especially when items 6 and 8 were related (RMSEA?=?0.07 90%IC?=?0.06 - 0.08; WRMR?=?1.01, CFI?=?0.96; TLI?=?0.95). The two dimensions were negatively correlated with age and positively correlated with time spent online, especially for the purposes of leisure and entertainment. DISCUSSION: The results show good reliability and psychometric properties of the Spanish version of IAT with a two-dimensional solution. This result is partially in concordance with previous validations of the IAT in other languages that have found uni- and multi-dimensional solutions using different methodologies. Moreover, we want to highlight the possibility that some item of this questionnaire is outdated due to the technological and lifestyles changes and should be not taken into account. CONCLUSION: The reliability and psychometric properties obtained in this study support the conclusion that this Spanish short version of the IAT represents a useful tool for the analysis of problems arising from misuse of the Internet.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: BMC Public Health. 2015 Sep 24;15:953

Editorial: BioMed Central

 Año de publicación: 2015

Nº de páginas: 9

Tipo de publicación: Artículo de Revista

 DOI: 10.1186/s12889-015-2281-5

ISSN: 1471-2458

Autores/as

FERNÁNDEZ VILLA, T

MOLINA, AJ

GARCÍA MARTÍN, M

DELGADO RODRÍGUEZ, M

MARTÍN, V