Before revision:  Furthermore, we propose using a Normal-Gamma prior for the elements of the factor loadings matrix . This hierarchical shrinkage prior effectively pulls the factor loadings of unimportant factors towards zero , thereby increasing parsimony even more.
After revision:  Furthermore, we propose using a Normal-Gamma prior for the elements of the factor loadings matrix pulls loadings on superfluous factors towards zero , thereby increasing parsimony even more.