Table 2 Sample size in various phases of the study
Phase | Total number of participants | |
|---|---|---|
Section I | Â | |
Phase I (item generation) and phase II (item reduction) | Physiotherapist 7 (3 male, 4 female) Occupational therapist 3 (2 male, 1 female) Speech language pathologist 2 (1 male. 1 female) General physician 1 (female) Registered nurse 3 (1 male, 2 female) Medical social worker 1 (male) Clinical psychologist 1 (female) | 18 |
Phase III (Face validation) | Face validation | 18 |
Pilot study | 30 | |
Phase IV- (Concurrent validity, internal consistency) | Factor analysis (PCA) | 246 |
Concurrent validity (ICC) | 246 | |
Internal consistency (Chronbach’s alpha) | 246 | |
Section II | ||
Phase V (Forward translation of the questionnaire to target languages) | Rating of scale for appropriateness and relevance by participants | 30 |
Phase VI (Back translation to English and finalization of the tool) | Face validation | 30 |
Phase VII (Evaluation of concurrence between therapist reported, and patient/caregiver reported questionnaire as well as face validation) | Â | 30 |
Other properties | ||
Time to use | 30 | |
Ease of use | 30 | |
Appropriateness | 30 | |