Autism Is a Spectrum Disorder Defined by a Certain Set

Multiple Choice

Autism is a spectrum disorder defined by a certain set of behaviors that children and adults exhibit in varying ways. Two people with the same diagnosis may display any combination of behaviors in any degree of severity. The main symptom of autism is the abnormal or impaired development of communication and social interaction. What criteria are needed for an autism diagnosis?

A) Failure to develop peer relationships
B) Delay in the spoken language
C) Lack of social or emotional reciprocity
D) All of the above