Answer:
impaired social interaction
Step-by-step explanation:
One of the main features that is easily observable in individual with autistic disorder is that they have problem interacting with others, and as such will display characteristics or traits that reject or ignore social advances of others. They often have difficulty in using and interpreting body language.
Temple Grandin’s cringing when her mum tried to hug her and her avoidance of having contact with others are clear signs of impaired social interaction, which is a key feature of autistic disorder.