Psychologists suggest that to cure cruelty

1. During the research, those woken while dreaming

1. 
   were the ones who had had personality disorders
   
2. 
   reported that their dreams affected their personalities
   
3. 
   were not showing any eye-movement
   

D) displayed signs of disturbance in their personalities

2. We can infer from the passage that during sleep,

1. 
   people dream all the time
   
2. 
   the type of eye-movement indicates the type of dream
   
3. 
   there is no eye-movement when the person isn't dreaming
   
4. 
   drifting and slow eye-movement coincides with a dream that can't later be reported