The major DISADVANTAGE of a mail survey versus
a telephone or personal interview survey is
1. having to offer incentives
2. the low response rate
3. the elimination of interview bias
4. the lack of open-ended questions
5. cos
a telephone or personal interview survey is
1. having to offer incentives
2. the low response rate
3. the elimination of interview bias
4. the lack of open-ended questions
5. cos