why is it necessary to perform an exploratory factor analysis what is exploratory factor analysis based on what are exploratory factors what is exploratory factor analysis is exploratory factor analysis fixed factor what is an exploratory factor analysis why would exploratory factor analysis be used what is exploratory factor analysis what is the exploratory factor what is exploratory factor analysis can exploratory factor analysis be done with a fixed factor why exploratory factor analysis with fixed factors would be used instead? exploratory factor analysis what is exploratory factor analysis how is exploratory factor analysis done does exploratory factor analysis need fixed factors does exploratory factor analysis need fixed factors which factor is used in exploratory factor analysis can exploratory factor analysis be fixed exploratory factor analysis with fixed factors