The "research" part of this assignment:
"Discuss a treatment used to enhance the social skills of individuals with autism spectrum disorders. You will need to conduct a literature search and identify a research article that has been published since 2005 that discusses a specific treatment.... You may not select social stories as the treatment you research and discuss."
You've done enough research for this class to be able to choose an appropriate database for this assignment. I'd choose a database that includes research in the field of psychology. (Is that hint enough?)
Identify the keywords that you need to search on. It's not too difficult, here.
Some ideas:
There are several ways to ensure you're choosing a research article:
OR
Once you've chosen an article based on its record in the database you're searching, bring up the full text by either clicking on the PDF or HTML full text link, or clicking on .
For more information, check out the information at Find the Full Text of an Article.