Table 2.
Measure | Definition | Metric | Data source | Formula/Scale |
---|---|---|---|---|
Proportion of activity | Sum of activity difficulty scores/number of activities individual wants or needs to do | Subjective | Sort of 38 photographs depicting activities in the home | a Difficult activity proportion = difficult(.5) + unable(0)+ able(1)/difficult +unable+ able |
Performance of activity | The individuals perception of their performance of a meaningful activity | Subjective | Rating of 5–10 problems identified by participant | Mean calculated on Likert-type scale 1= “not able to do it”; 10 “able to do it extremely well” |
Satisfaction with performance | The individuals satisfaction of their ability to perform an activity | Subjective | Rating of 5–10 problems identified by participant | Mean calculated on Likert-type scale: 1= “not satisfied at all”; 10= “extremely satisfied” |
Magnitude of environmental barriers influence | The person-environment fit | Objective | Observation of 5–10 problems performed in the current environment | Sum calculated on performance based scale: 5=no activity (completely unable); 1=standby assist or safety risk |
Difficult, unable, and able are the sum of cards in each pile from the card sort.