Ruth Ravid
Ruth Ravid is professor of education at National College of Education, National-Louis University, Illinois, teaching courses in educational research and assessment. She is the author of the successful textbook Practical Statistics for Educators.Eliza
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Ruth Ravid is professor of education at National College of Education, National-Louis University, Illinois, teaching courses in educational research and assessment. She is the author of the successful textbook Practical Statistics for Educators.
Elizabeth Oyer is the director of EvalSolutions Inc., providing evaluation services for state agencies, universities, businesses, education cooperatives, technology centers, and school districts throughout the United States.
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