Appendix B: Intersecting Elements Shaping Data Collection
|Outcome variables||Contact duration with AT device||Contact frequency with AT device||Estimated relative contribution to function||Barrier reduction:
||Quality of life|
|AT utilized (examples)||What devices are the focus of measurement for this outcome variable?
Splint, Hearing aid, Glasses,
Watch with programmed reminders
|User characteristics||What are the AT users characteristics that will influence data collection for this outcome variable?
Sighted or visually impaired, literacy
|Environment characteristics||What are the characteristics of the AT user’s native environment that will affect data collection for this outcome variable?
Multiple or single environment; indoor/ outdoor;
public/ private; urban/ rural
|Activity (examples)||What activities are the context for the outcome variable to be measured?
|Reporter: e.g. user, caregiver, professional||Who is the best reporter of the data to be used to measure the outcome variables? Are the variables self-report or observational?
AT user (first person), caregiver (third person), autolog from sensor; practitioner (third person).
|Reporter characteristics||What are the characteristics of the reporter and the outcome variable that will shape the instrument’s technology?
Motion Acceleration sensors
|Frequency count of sensor activation||What are the self-report (subjective) measures of the outcome variable of interest? |
Visual analogue; Likert scale; Semantic differential; pick lists
|Sampling frequency||Constant||Event contingent||What time scale does this outcome variable need to be measured? How dense do the observations need to be?
Fixed or random interval
|Data collection technology||What combination of passive sensors, input devices, hardware and software will accommodate the person, environment and outcome measure needed?
Sensors, self-report forms, auto logs
|Data transmission technology||What is the most secure & dependable way to capture the type of outcome data collected?|
1. Compliance Laboratories, Lenexa, KS 913.541.2568
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