Final answer:
Using color, stamps, and a recognizable brand name can increase mail survey response rates over 90%.
Step-by-step explanation:
Increase in mail survey response rates over 90% can be achieved by using several strategies:
- Use of color: Adding color to the mail survey can make it more visually appealing and attract the attention of the recipients, increasing the chances of them responding.
- Stamps, rather than preprinted postage paid on the return envelopes: Using stamps on the return envelopes can create a sense of personal connection and importance, thereby encouraging recipients to respond.
- Use of a recognizable brand name: If the survey is associated with a well-known and trusted brand, it can instill confidence in the recipients and motivate them to participate.
Therefore, options A, B, and C will all increase mail survey response rates over 90%. The correct answer is E) none of the above.