Psychologists suggest that to cure cruelty

The expectations about men's and women's personalities

1. 
   develop from the way in which people perceive their own parents
   
2. 
   can make it difficult for them to have any individuality
   
3. 
   vary according to the society they live in
   
4. 
   dictate that men and women should behave in the same way
   

2. 
   Men and women have the same temperament in different forms because
   

1. 
   he has made investigations into this subject
   
2. 
   he believes there are only two basic types of people: introverts and extroverts
   
3. 
   cultures will not allow any personality differences
   
4. 
   they learn their behavior from each other