(Journals) A recent pilot study investigated the effects of using peers as helpers in group work with elementary students. ... Twelve 5th and 6th grade classes were randomly assigned to one of three treatment groups: peer helper, counselor -oriented, and control. ... Extra credit attracted more volunteers generally as well as within most categories of tested variables. ... revealed that the children a even kindergarteners a had already formed stereotypic ideas on which sex should holdanbsp;...