A- Reductionist model: This model involves analyzing general human behavior by dividing it into its basic elements.
B- The overall model or the holistic model: This model contradicts the reductionist model in explaining general human behavior and emphasizes that understanding behavior as a whole can only be achieved by studying it as a whole.
C. The Legalistic and Ideographic Model: The mosquito model aims to recognize general laws and focuses on the study of relevant personality traits in a variety of people to develop generalizations about how these traits determine people’s behavior in general. On the other hand, The individual clinical model or ideographic focuses on the in-depth study of individual cases in order to generalize about that particular person in different situations and periods of his life.