Asperger's disorder is characterized by:
a. significant language delay.
b. deficits in intelligence.
c. problems in social interaction.
d. adaptive behavior deficits in all areas

Asperger's syndrome is characterizd by problems in social interaction - C. Most disorders found on the autism spectrum are usually characterized by some sort of problem when it comes to social interaction. This is also apparent in children with Asperger's disorder.

Well, l think that some effective communication is, emotional barriers and lack of attention, interest distraction or irrelevance. also some physical disabilities such as hearing problems or speech difficulties.      l hope i am correct  and you good luck.