Autism Traits common among healthy people ~ article

My college daughter sent me this article and while it's very enlightening, I'm kind of disappointed with some of the findings :(  Namely, this one section that states:
   

     In the new study, the researchers showed that this pattern is consistent throughout much of childhood, indicating    that children aren't learning to overcome these difficulties with time.

    In fact, the researchers found the same result regardless of how they sliced up the data: each group had the same average level of social and communication problems at age 13 as they did at age 7.

You can read the entire article here:

Autism Traits common Among Healthy People