Rasch Analysis of the Brief Version of the Internet Addiction Test
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Date
2024-03
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Abstract
The study aimed to validate a brief version of the Internet Addiction Test (IAT) to enhance its efficiency in measuring internet addiction among undergraduate university students in China. This study employed the Rasch rating scale model (RSM) analysis to determine (i) item polarity, (ii) item fit statistics, (iii) unidimensionality, and (iv) person and item reliability of the brief version of the IAT scale. Through the Rasch RSM analysis, two items were deemed misfit and ten redundant. They were subsequently removed from the scale, resulting in a brief version comprising ten items. The analysis demonstrated that the brief IAT is a unidimensional tool for measuring internet addiction among undergraduate university students. The newly validated scale is proposed for more convenient use, offering a more efficient means to measure internet addiction.
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Education and Human Ecology: 1st Place (The Ohio State University Edward F. Hayes Advanced Research Forum)