Skala, Martin J2022-07-262022-07-261969-06https://hdl.handle.net/11299/229850A Paper Presented to the Faculty of the Graduate School, University of Minnesota, A Requirement for the Degree Master of Arts (Plan B), by Martin J. Skala, June 1969.en-USUniversity of Minnesota DuluthPlan Bs (project-based master's degrees)Master of ArtsMaster of Arts in Curriculum and InstructionDivision of Education and PsychologyA Comparison of the Departmentalized and Self-Contained Classrooms Grouped by Ability in the Aurora-Hoyt Lakes Elementary SchoolsScholarly Text or Essay