One drawback of mailed marketing survey is
a. the high cost
b. three lack of anonymity
c. longer response times, sometimes six to eight weeks
d. the process is inconvenient for the respondent

The correct answer is C. Longer response times, sometimes six to eight weeks

Explanation:

Mailed Marketing survey is a method for gathering information related to market research or client satisfaction. This method involves sending surveys through email rather than directly asking people. This method has some advantages such as low-costs and convenience for the respondent; however, there are also com disadvantages or drawbacks this includes the fact that people might not respond and that the process is long and might take multiple weeks considering it is necessary to send the surveys, then give time for respondents to answer and then send them back. Thus, one drawback of mailed marketing survey is "Longer response times, sometimes six to eight weeks".

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