This event was followed by widespread acceptance of the five-factor model among personality researchers during the 1980s.Peter Saville and his team included the five-factor "Pentagon" model with the original OPQ in 1984.
This event was followed by widespread acceptance of the five-factor model among personality researchers during the 1980s.Peter Saville and his team included the five-factor "Pentagon" model with the original OPQ in 1984.