1996 Ph.D., Ergonomics, Dept. of Psychology, North Carolina State University, Raleigh, NC. Dissertation title: Recognition of Local Metric Changes in 3-D Computer Models.1987 MA, Industrial Design, North Carolina State University, School of Design, Raleigh, NC. Thesis title: The Development of Human-Computer Interface Criteria for the Designer.1982 BA, Chemistry, Duke University, Durham, NC.