|
Interviews:
(Face to face or telephone)
- Advantages:
- You can build rapport with the subject
- The questions can be more complex
- You can probe for fuller answers
- You may obtain higher response rates
Disadvantages:
- You are limited to local respondents
- You have a smaller sample size
- Respondents have no anonymity
- Methods are more time intensive and expensive
|
|
Questionnaires:
(Mailed or handed out)
Advantages:
- Maintains anonymity
- You can have bigger samples
- Much cheaper to administer
Disadvantages:
- Respondents may not understand the question and are left
without help
- Limited to simpler question design
- Lower response rate
|