Cliff is Principal Investigator for the Tinkerplots, Data Sharing, and Model Chance projects. Since 1989 he has directed a number of research and development projects both at UMass and at TERC. His research focuses on studying how children and adults reason about and learn probability, statistics, and data analysis, and on designing curricula, tools and staff development programs to foster statistical understanding. With previous NSF funding, he developed curricula and educational software for teaching probability and data analysis at the high-school level.
Cliff grew up in San Diego, California and migrated east in 1975 “against the flow” to attend graduate school in psychology at the University of Massachusetts Amherst, specializing in educational and cognitive psychology. While staying put in Massachusetts, he migrated across disciplines into mathematics education sometime in the mid 1980s.
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