Reassessment of the user-perceived Web quality instrument in the context of e-government: A confirmatory factor analysis

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Abstract

With the proliferation of the Internet and World Wide Web applications, users are increasingly interacting with e-government Web applications. It is, therefore, important to measure the success and/or quality of e-government Web sites from the user's perspective. Aladwani and Palvia proposed the perceived Web quality (PWQ) instrument to measure the Web quality in the e-commerce context. However, the acceptance of the PWQ measure as a standardized instrument requires confirmation that it explains and measures the perceived Web quality construct and its components in cross-cultural and cross-application contexts. This article focuses on the psychometric stability of the PWQ instrument when applied to Taiwanese users of typical e-government Web applications. Based on a sample of 251 respondents, this study uses confirmatory factor analysis to validate the instrument's factor structure, reliability, and validity. The evidence indicates that the instrument is a valid and reliable measure in Taiwanese e-government contexts. The generality of this validated PWQ instrument can not only provide e-government designers and managers with a useful toot for assessing perceived e-government Web quality, but also provide researchers with a common framework for the comparative analysis of the results from various researches.

Original languageEnglish
Pages (from-to)2147-2154
Number of pages8
JournalWSEAS Transactions on Systems
Volume5
Issue number9
Publication statusPublished - 2006 Sep 1

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Factor analysis
World Wide Web
Websites
Managers
Internet

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Computer Science Applications

Cite this

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abstract = "With the proliferation of the Internet and World Wide Web applications, users are increasingly interacting with e-government Web applications. It is, therefore, important to measure the success and/or quality of e-government Web sites from the user's perspective. Aladwani and Palvia proposed the perceived Web quality (PWQ) instrument to measure the Web quality in the e-commerce context. However, the acceptance of the PWQ measure as a standardized instrument requires confirmation that it explains and measures the perceived Web quality construct and its components in cross-cultural and cross-application contexts. This article focuses on the psychometric stability of the PWQ instrument when applied to Taiwanese users of typical e-government Web applications. Based on a sample of 251 respondents, this study uses confirmatory factor analysis to validate the instrument's factor structure, reliability, and validity. The evidence indicates that the instrument is a valid and reliable measure in Taiwanese e-government contexts. The generality of this validated PWQ instrument can not only provide e-government designers and managers with a useful toot for assessing perceived e-government Web quality, but also provide researchers with a common framework for the comparative analysis of the results from various researches.",
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