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from Part II - How to Use Statistics
Published online by Cambridge University Press: 26 January 2019
Factor analysis is quite regularly seen in HCI to validate questionnaires, particularly those used to measure user experience. This chapter describes and illustrates the process of developing a questionnaire to measure a particular concept, starting from item generation through to factor analysis and interpretation. It introduces bifactor analysis as a more recent development in factor analysis that could help the interpretation of questionnaires made up of multiple factors.
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