Concept Formation. Data

A study deterMined the effect of school organization- on pupil attitudes, achievement, conceptual maturity, and classroom behavior.- Ten teachers in each of three groups in a midwestern school district were selected and 707 pupils enrolled in their classes comprised- the-,sample. An experimental group was placed..in a nongraded form of organization1 while control 'groups retai.ned'the traditional form of organization.':The pupils in all groups were subdivided into three age-roups Normal age, underage, and bverage. The results of-tests administered to the stdents suggested the following conclusions; (1.) The nongraded form bf organi±ation 'encouraged pupil development in conceptual maturity and participation in group activities, (2) teachers in the nongraded school were more tolerant of "disorderly pupil behavior: than were teachers in, the graded. Schools, (3) the graded. form..o