A great study reported by Disability Scoop (a wonderful resource by the way)- re-posted from Attorney Todd Kotler (Senior Trial Attorney, Child Advocate, Special Education Lawyer & Consultant, University Adjunct and Senior Lecturer.)

The findings come from a study of 670 Ohio preschoolers, slightly more than half of whom had a disability like autism, language impairment or Down syndrome. or young children with disabilities, the key to mastering language may be surrounding them with their typically-developing peers, researchers say.

http://www.disabilityscoop.com/2014/07/29/inclusive-language-boost/19558/