Table 3 Practical applications in designing profile questionnaires
From: The physical therapy profile questionnaire (PTPQ): development, validation and pilot testing
Steps | Purpose | Who are involved? |
|---|---|---|
Initial scoping | • To check the availability of an appropriate instrument which matches the objectives of an intended study | • Authors |
• If no instrument is available, identify ways and possible sources of information on how to develop an instrument which will match the intended objectives of a study | • Researchers | |
Focus group interviews | • To explore key areas of concern in designing the instrument | • Key informants |
• Researchers | ||
Validation using the Delphi technique | • To ensure that the instrument measures what it intends to measure | • Experts in different areas of practice |
• To collect highly generalisable data from the answers to be collected | ||
Pilot testing | • To "trial" the survey and identify possible problems to be encountered and allow troubleshooting to address the problems | • Participants representative of the sample population |