1.1.3.1 Exploratory factor analysis This type of factor model is the basis of Arbitrage Pricing Theory (APT) (see [ROS 76, CHA 83]). The idea is to capture all the static dependencies through a limited number of factors. The model is written as: [1.10]Y(n,1)=B(n,K)F(K,1)+ε...
Personality has never been studied in a hierarchically structured form until recently. The psychodynamic theorists conceptualized personality in terms of psychic components that reflectedunconscious processes, such as Freud’s id, ego, andsuperegoor Jung’s archetypes, the shadow, the self, the anima,...
Critics have also raised important methodological concerns, which have revolved around the use of factor analysis as the primary tool of discovery and validation for the five-factor method. Finally, disagreements among trait theorists have also been prominent in the literature. Some researchers have ...