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Deija McLean

Deija McLean, Clinical Assistant Professor

Behavior Analysis and Therapy (Online)

Dr. Deija McLean earned her Ph.D. in School Psychology, with focus in applied behavior analysis. She then completed her pre-doctoral internship at the Kennedy Krieger Institute where she provided outpatient behavioral services to children and adolescents with developmental disabilities who exhibited severe challenging behavior. Dr. McLean’s interests include treatment of challenging behaviors, diagnostic assessment of Autism Spectrum Disorder, caregiver training of behavior reduction programs, and interdisciplinary collaboration.


Treatment of challenging behaviors; diagnostic assessment of Autism Spectrum Disorder; caregiver training of behavior reduction programs.

SIU Psychology Deija McLean

Office: Life Science II, 281
Phone: 618-453-3529
Curriculum Vitae

Educational History

Doctor of Philosophy, School Psychology, University of Missouri (APA Accredited), 2020.

Graduate Certificate, Applied Behavior Analysis, University of Missouri, 2018.

Bachelor of Science in Education, Early and Middle Childhood Studies, The Ohio State University, 2015.