Professor, Department of Psychology, College of Liberal Arts, Southern Illinois University-Carbondale (past)
Applied Psychology, Department of Psychology, College of Liberal Arts, Southern Illinois University-Carbondale (past)
Professor, Applied Research Consultants, Applied Psychology, Department of Psychology, College of Liberal Arts, Southern Illinois University-Carbondale (past)
Director, Applied Research Consultants, Applied Psychology, Department of Psychology, College of Liberal Arts, Southern Illinois University-Carbondale (past)
Professor, Department of Linguistics, College of Liberal Arts, Southern Illinois University-Carbondale (past)
Department Chair, Department of Linguistics, College of Liberal Arts, Southern Illinois University-Carbondale (past)
Psychology, College of Liberal Arts, Southern Illinois University-Carbondale (past)