Flow chart of the assessment process: Investigation, Interpretation, Intervention

Long Description: Investigation: Usability Influences - the interactions between Structure and Function, Press Demands, and Functional Performance/Participation. This leads to Needs and with Reasoning leads to the next step. Interpretation: Usability Criteria - Prescriptive Requirements and Performance Requirements. This leads to Potential Solutions and the next step. Intervention: Best-Fit - Enhanced capacity, Modifications, Adaptive Strategy