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Click to increase image sizeClick to decrease image size Additional informationNotes on contributorsRobert R. BargarRobert R. Bargar is associate professor, and James K. Duncan is professor, Faculty of Educational Foundations and Research, College of Education, Ohio State University.James K. DuncanRobert R. Bargar is associate professor, and James K. Duncan is professor, Faculty of Educational Foundations and Research, College of Education, Ohio State University.
Bargar et al. (1982) studied this question.