Psychologists suggest that to cure cruelty

1. It is pointed out in the passage that

1. 
   criticism made at a wrongly-chosen time has a destructive effect on the child
   
2. 
   moral instruction should be given around the time of the action which necessitates it
   
3. 
   the child's play shouldn't be interrupted for criticism, for it makes him act in a defensive manner
   
4. 
   when the child is criticized severely, he loses his sense of security and rest
   

2. It is emphasized in the passage that

1. 
   parents should be constructive in their criticism, not destructive
   

1. 
   the child should be directed to create something worthwhile instead of being criticized all the time
   
2. 
   the child must be given moral instruction however harmful it may be, or he won't learn the moral values of society
   

D) the harmful effect of criticism can be reduced by choosing a proper time for it