| Medical Model (OLD) | Interactional/Socio-Political Model (NEW) |
| Disability is a deficiency or abnormality | Disability is a difference |
| Being disabled is negative | Being disabled, in itself, is neutral |
| Disability resides in the individual |
Disability derives from the interaction between the individual and society |
|
The remedy for disability-related problems is cure or normalization of the individual |
The remedy for disability-related problems is a change in the interaction between the individual and society |
| The agent of remedy is the professional |
The agent of remedy is the individual, an advocate, or anyone who affects the arrangements between the individual and society |
| UD | UDL |
|
Generally benefits more than one group of users (e.g. the curb cut) |
Increases accessibility to written materials for multiple users through use of technology |
|
Is usually invisible; is fully integrated into the design |
Identifies the essential course content |
|
Provides choices in how people use the environment |
Uses a variety of instructional methods when presenting materials |
|
Makes getting around the environment easily understood through communication |
Provides clear expectations and feedback |