Brennan, Louise2022-07-262022-07-261955-07https://hdl.handle.net/11299/229619A Paper Presented to the Faculty of the Graduate School, University of Minnesota, A Requirement for the Degree Master of Arts (Plan B), by Louise Brennan, July 1955.en-USUniversity of Minnesota DuluthPlan Bs (project-based master's degrees)Master of ArtsMaster of Arts in Curriculum and InstructionDivision of Education and PsychologySchool Entrance Age As an Affective Factor in Academic Achievement in the Elementary SchoolScholarly Text or Essay