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Click to increase image sizeClick to decrease image size Additional informationNotes on contributorsGordon E. GreenwoodGordon E. Greenwood is professor of education, and Howard J. Ramagli, Jr., is research associate, College of Education, University of Florida.Howard J. RamagliGordon E. Greenwood is professor of education, and Howard J. Ramagli, Jr., is research associate, College of Education, University of Florida.
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Greenwood et al. (1980) studied this question.
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