Two methods to calculate a measure for the quality of factor score estimates have been proposed. These methods were compared by means of a simulation study. The method based on a covariance matrix reproduced from a model leads to smaller effects of sampling error.
"Indeterminacy of Factor Score Estimates In Slightly Misspecified Confirmatory Factor Models,"
Journal of Modern Applied Statistical Methods: Vol. 10
, Article 16.
Available at: http://digitalcommons.wayne.edu/jmasm/vol10/iss2/16