BELLEVILLE, Ill. (AP) — A lawmaker is dismissing a $400,000 state-funded study of Illinois’ treatment of the developmentally disabled because he says a lead researcher is biased.

The Belleville News-Democrat reports (http://bit.ly/1mxUqlU ) that the study by the University of Illinois at Chicago found overwhelming support for the closure of the Jacksonville Developmental Center by family members of former residents.