Ladonna Lewis, PhD, received her BA in psychology from The University of Oklahoma in 1990, her MS in Psychology from The University of Oklahoma in 1994, and her PhD in Experimental Psychology (emphasis in Social Psychology) from The University of Oklahoma in 1997. Ladonna is currently a professor in the psychology department at Glendale Community College in Glendale, Arizona, and co-owner of KSL Research, Training & Consultation, LLC. While Ladonna's research background has been predominately in the study of stereotyping and social stigmas, her expertise in research design and statistical analysis has been instrumental to the work of KSL. In addition, Ladonna's research interests include the psychology of policing and factors that influence change in probationers.