... not reliable because of excluding suppressor factor. In addition, factor analytic method was a subjective technique. The research factors which were proposed by theorists were selected empirically. Therefore, it was possible that the relationships among the traits have been omitted or misrepresented by the model. Lastly, the questionnaire was answered on the based of personal assessment. This evaluation was not objective as well. In addition, the theoretical root for the taxonomy was unknown. Therefore, theorists only did researches to prove the validity of five factors according to the empirical facts but they didn't know what they have missed. The number of the traits in Big Five might not be the best choice. Cattell (1965) proposed a more complex approach included 16 personality factors. This 16 P. F. might cover the aspects of personality more comprehensively than Big Five although it was not succinct. Eysenck and Long (1986) suggested another alternative ...

See this essay or coursework document in full right now