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DeLeon, Iser G., Ph.D.

Associate Professor

Main Office Address

Kennedy Krieger Institute
1750 E. Fairmount Ave, Rm.
Baltimore, MD, 21231

Fax: 443-923-2845





University of Florida



University of Florida


Post-Doctoral Fellowship 

Kennedy Krieger Inst. and JHUSOM

Professional Interests

My research and clinical activities primarily involve the application of behavior analytic principles towards the assessment and treatment of behavior disorders in individuals with developmental disabilities. Other interests include more basic research on choice responding and behavioral economics.

Selected Publications

DeLeon, I. G., Williams, D. C., Gregory, M. K., & Hagopian, L. P.(2005). Unexamined potential effects of the noncontingent delivery of reinforcers. European Journal of Behavior Analysis, 5, 57-69.

DeLeon, I.G., Toole, L. M., Gutshall, K. A., & Bowman, L. G. (2005). Individualized sampling parameters for behavioral observations: Enhancing the predictive validity of competing stimulus assessments.Research in Developmental Disabilities, 46, 440-455.

Fritz, J., DeLeon, I. G., & Lazarchick, W. (2004). Separating the influence of escape and access to preferred activities on problem behavior occurring in instructional contexts. Behavioral interventions,19, 159-171.

DeLeon, I. G., Fisher, W. W., & Marhefka, J. (2004). Decreasing self-injurious behavior associated with awakening in a child with autism and developmental delays. Behavioral Interventions.

DeLeon, I. G., Arnold, K. A., Rodriguez-Catter, V., & Uy, M. L. (2003). Covariation between bizarre and non-bizarre speech as a function of the content of social attention. Journal of Applied Behavior Analysis, 36, 101-104.

DeLeon, I. G., Rodriguez-Catter, V. & Cataldo, M. F. (2002). Treatment of self-injurious behavior: Current standards of care and their research implications. In S. Schroeder, M. L.Oster-Granite, & T. Thompson (Eds). Self-Injurious Behavior: Gene-Brain-Behavior Relationships. Washington, D.C.: APA Books.

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