To "improve" performance  teacher so that poor students IQ test

Recently, Wuxi City, Children's Hospital child protection has become particularly busy, to measure the IQ of the students increased significantly. The teacher asked the class had some poor students do in the "IQ test", mostly because parents are reflected in poor performance dragged the child class of the hind legs, affecting the class results. ...To "improve" performance  teacher so that poor students IQ test