Her primary research interests include comprehensive transition services with a focus on self-determination and post-secondary outcomes for students with disabilities (specifically intellectual and developmental disabilities). A secondary research interest focuses on the role culture and family plays in both the education of and outcomes for students from diverse backgrounds. Dr. Williams-Diehm also actively teaches both undergraduate and graduate students in the Educational Psychology department, especially in teacher preparation programs. She also coordinates activities through the JRCoE Study Abroad program in Costa Rica.