Sending a questionnaire by email
A) is useful for geographically dispersed samples.
B) is inexpensive.
C) is good for large samples.
D) raises the question of coverage error.
E) all of these

Question

Quizplus · Accepted Answer

Sending a questionnaire by email is useful for geographically dispersed samples, inexpensive, good for large samples, and raises the question of coverage error. Therefore, all of these options are the best choice.

Sending a Questionnaire by Email