Why does sterotypes impact or effect an individual orr groups
I think you mean this:
Why do stereotypes affect individuals or groups?
http://www.google.com/search?q=stereotypes+effects&oq=stereotypes+effects&aqs=chrome..69i57j0l5.8694j0j4&sourceid=chrome&es_sm=119&ie=UTF-8
Read lots, and take good notes.