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Click to increase image sizeClick to decrease image size Additional informationNotes on contributorsMimi WolvertonMimi Wolverton is assistant professor in the College of Education, Marvin L. Wolverton is Wolff Research Professor in the College of Business and Economics at Washington State University. Walter H. Gmelch is dean of the College of Education at Iowa State University.Marvin L. WolvertonMimi Wolverton is assistant professor in the College of Education, Marvin L. Wolverton is Wolff Research Professor in the College of Business and Economics at Washington State University. Walter H. Gmelch is dean of the College of Education at Iowa State University.Walter H. GmelchMimi Wolverton is assistant professor in the College of Education, Marvin L. Wolverton is Wolff Research Professor in the College of Business and Economics at Washington State University. Walter H. Gmelch is dean of the College of Education at Iowa State University.
Wolverton et al. (Fri,) studied this question.