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Analysis of the Collectivism and Individualism Scale using a Rasch Measurement Model

Snider, P.D. and Styles, I. (2005) Analysis of the Collectivism and Individualism Scale using a Rasch Measurement Model. In: Waugh, Russell, (ed.) Frontiers in Educational Psychology. Nova Science Publishers, New York, pp. 311-332.


Psychological research addressing cross-cultural issues is contemporary and prolific, however, much of the research explores cultural variables that are not adequately identified. Two examples are the concepts of individualism and collectivism. Further, there is little research using modern item response theory (IRT) to establish the psychometric properties of instruments frequently used to measure such concepts. This chapter presents the findings of a study in which ethnic Chinese international students, and Australian and American university students were asked to respond to Triandis' Individualism and Collectivism scales (INDCOL). The psychometric properties of the scales were explored using Rasch's Extended Logistic measurement model. The composition of the respondents provided the opportunity to identify evidence of differential item functioning (DIF) amongst individuals sharing a common language but not a common culture. A method for accounting for the DIF is explained. To deepen our understanding of differences in functioning of some of the INDCOL items amongst respondents, qualitative data concerning the interpretation of items were collected from members of the groups. Findings highlight the importance of considering and accounting for group differences in understanding the meaning of statements when designing attitudinal instruments for cross-cultural research.

Item Type: Book Chapter
Murdoch Affiliation(s): School of Education
Publisher: Nova Science Publishers
Copyright: Nova Science Publishers
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