According to the psychodynamic approach, which part of the personality operates on the reality principle?

Match the Somatotypes in LIST-I with their corresponding Temperaments and Characteristic traits in LIST-II as per William H. Sheldon's theory. LIST-I (Somatotype/Concept) A. Endomorph B. Mesomorph C. Ectomorph D. Somatotonic Traits LIST-II (Temperament/Trait) I. Viscerotonic II. Somatotonic III. Cerebrotonic IV. Assertiveness and energetic nature Choose the correct answer from the options given below:

Match the categories of Raymond Cattell's Source Traits in LIST-I with the aspects of behavior they govern or define in LIST-II. LIST-I (Category of Source Trait) A. Ability Traits B. Temperament Traits C. Dynamic Traits LIST-II (Behavioral Aspect) I. Pertain to the motivations, goals, and interests behind behaviors. II. Describe the general style and emotional tone of behavior. III. Determine how well a person can work towards a specific goal. Choose the correct answer from the options given below: