How many and which trait dimension are necessary for a basic description of personality?

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How many and which trait dimension are necessary for a basic description of personality?

2.  Is the nature of individual differences in personality consistent or variable across culture? 

3.  How do personal goals and evaluation of self differ from one person to the next;  and how do these differences relate to ones emotional intelligence?

4.  Is abnormal behavior learned, if so how?  Give examples...

5.  The school of thought known as behaviorism promotes a learning approach to personality.  Discuss this approach...