what is the stability of wls extraction methods? why do factor analysis methods differ difference between wls and ols why is wls used in exploratory factor analysis what is stabilization in factor analysis why is stability important for exploratory factor analysis why do you need to use the same matrix for an exploratory factor analysis? why is there stability in the extraction method what is the best method of wls analysis why is wls and ols used different methods of factor analysis why is it important to use the wls extraction method? why is it important to use the same correlation matrix in factor analysis what method is used for factor analysis which of the following methods can be used as an exploratory factor why is wls and ols used for factor analysis why are the factors different in different methods of factor extractions? what is the best method for wls why factor extraction methods are used why is factor analysis useful