How can the response rate of mail questionnaires be improved? ...

[karateprodigy]

How can the response rate of mail questionnaires be improved?
 
  a. Enclose another copy of the questionnaire in follow-up letters.
  b. Include a small payment with the questionnaire.
  c. Include an abridged version of the original questionnaire in follow-up letters.
  d. All of the above.

Question 2

A return rate of ____ should be considered acceptable in a mail survey.
 
  a. 25
  b. 50
  c. 75
  d. 85

[Danny Ewald]

Answer to Question 1

D

Answer to Question 2

B

[karateprodigy]

Thanks for the timely response, appreciate it

[softEldritch]

Great answer, keep it coming