In order to keep response rates high,researchers decide to first collect data by mailing surveys to potential respondents,after which they will begin calling respondents on the telephone.This method is known as ______.
A)context
B)random digit dialing
C)double barreling
D)mixed mode

Question

Quizplus · Accepted Answer

The method described in the question is known as mixed mode, where multiple forms of data collection are utilized to improve response rates. In this case, first mailing surveys and then following up with phone calls is a mixed mode approach.

In Order to Keep Response Rates High,researchers Decide to First