While not completely the same or as limited in scope, I have come across this a number of times. http://en.wikipedia.org/wiki/Minnesota_Transracial_Adoption_Stu

While not completely the same or as limited in scope, I have come across this a number of times. http://en.wikipedia.org/wiki/Minnesota_Transracial_Adoption_Study http://en.wikipedia.org/wiki/Minnesota_Transracial_Adoption_...