Deficits in developing, maintaining and understanding relationships
Friendship can be seen as the result of a person’s quality of social-emotional reciprocity and of non-verbal (and verbal) communication. As such it is the touchstone of social interaction.
This section is about the subject's ability to understand the concept of friendship (as against acquaintance) and their own role and responsibility in these relationships and whether they show an interest in, and curiosity about, their friends' lives that goes beyond their shared activities and interests.
We need to distinguish from a lack of interest in maintaining friends due to mental illness such as depression or social anxiety. Many adults with ASD lack the skills to make friends and complain of loneliness.
There are 13 video clips in this part of the interview resource.