Article

Psychometrika

, Volume 43, Issue 4, pp 551-560

Contributions to factor analysis of dichotomous variables

  • Bengt MuthénAffiliated withDepartment of Statistics, University of Uppsala

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Abstract

A new method is proposed for the factor analysis of dichotomous variables. Similar to the method of Christoffersson this uses information from the first and second order proportions to fit a multiple factor model. Through a transformation into a new set of sample characteristics, the estimation is considerably simplified. A generalized least-squares estimator is proposed, which asymptotically is as efficient as the corresponding estimator of Christoffersson, but which demands less computing time.

Key words

multiple factor model first and second order proportions generalized least-squares tetrachoric correlations