Helen A. Kellar Institute for Human disAbility - George Mason University
About Us

The Kellar Institute for Human DisAbilities (KIHd) is an interdisciplinary campus-based organization focusing on improving the lives and productivity of children and adults with disabilities. KIHd combines the resources of the university with local, state, regional, national, public, and private sector agencies and organizations to develop products, services, and programs for persons with disabilities.


In order to develop, test, and refine innovative technology that permits adapted and interactive video interventions for middle and high school students with intellectual disabilities, the project followed the iterative method of design, development, usability testing. The Integrative Learning Design (ILD) framework (Bannan-Ritland, 2003) provided a map to view the overall design research process. The development logic model followed the iterative process across five formative evaluation phases:

project phases graph

Bannan-Ritland, B. (2003). The role of design in research: The integrative learning design framework. Educational Researcher, 32, 21-24. doi:10.3102/0013189X032001021