“…At the same time, there have been significant challenges to the FFM, including alternate systems (e.g., Ashton & Lee, 2008;Block, 1995Block, , 2001Boyle, 2008;Cattell, 1995;Eysenck, 1991Eysenck, , 1992. As Piekkola (2011) pointed out: 'According to this approach there are five underlying structural factors common to all people and independent of cultural influences À an asocial, ahistorical, biologically based conception.…”