Psychometrika

, Volume 77, Issue 2, pp 288–292 | Cite as

Rotational Uniqueness Conditions Under Oblique Factor Correlation Metric

Article

Abstract

In an addendum to his seminal 1969 article Jöreskog stated two sets of conditions for rotational identification of the oblique factor solution under utilization of fixed zero elements in the factor loadings matrix (Jöreskog in Advances in factor analysis and structural equation models, pp. 40–43, 1979). These condition sets, formulated under factor correlation and factor covariance metrics, respectively, were claimed to be equivalent and to lead to global rotational uniqueness of the factor solution. It is shown here that the conditions for the oblique factor correlation structure need to be amended for global rotational uniqueness, and, hence, that the condition sets are not equivalent in terms of unicity of the solution.

Key words

factor analysis oblique rotation rotational uniqueness unrestricted factor model 

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Copyright information

© The Psychometric Society 2012

Authors and Affiliations

  1. 1.Department of Epidemiology & BiostatisticsVU University medical centerAmsterdamThe Netherlands

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