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Factor structure and a multiple indicators multiple cause model of internet addiction test: the effect of socio-demographic and internet use variables

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Abstract

Purpose: This study aimed to identify factor structure of a bilingual version (English and Malay) of Internet Addiction Test, a measure of severity on pathological Internet use (PIU); examine the measurement invariant by adding the socio-demographic and Internet use variables as covariates. Method: Pencil-paper questionnaire was distributed to undergraduates in Univerisiti Teknologi Malaysia (UTM). A total of 1120 valid responses were collected. EFA and CFA were first applied to identify the factor structure of IAT. Multiple indicator multiple cause (MIMIC) model was used to examine the differential item functioning (DIF) and the effect of covariates on the latent factors. Result: A four-factor model demonstrated moderate fit to the data for 17-item of IAT with significant high factor loading. Comparison of MIMIC model with and without DIF indicated that the most meaningful and significant DIF effect were on three items showing direct effect from Chinese to IAT18, IAT19 and IAT20. By controlling the DIF effect, some covariates still present the significant impact on latent factors of IAT, which were female, time spent online, effect on study, years of Internet use experience, general users, other users and Chinese. Conclusions: the risk factors of PIU were male, time spent online, years of Internet use experiences, game users, SNS users, perceived less effect on study. More research is encouraged to examine the racial group difference, including the risk of PIU and item response bias.

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Funding

This study was funded by Zhejiang Philosophy and social science Planning Foundation (浙江省哲学社会科学规划课题) (Grant No. 19NDJC069YB).

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Correspondence to Xi Lu.

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The authors declare that they have no conflict of interest.

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All procedures performed in this study involving human participants were in accordance with ethical standards of institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Informed consent was given to all participants in order to get their allowance for this study.

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Lu, X., Yeo, K., Guo, F. et al. Factor structure and a multiple indicators multiple cause model of internet addiction test: the effect of socio-demographic and internet use variables. Curr Psychol 39, 769–781 (2020). https://doi.org/10.1007/s12144-019-00234-9

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  • DOI: https://doi.org/10.1007/s12144-019-00234-9

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