The fixed samples of a mailing survey include family units throughout the country, which agree to accept regular mail questionnaires, product testing and telephone surveys. Under what circumstances, you will be sent to the survey as part of the entire marketing research program as described in this chapter?
The biggest advantage of using the mail inquiry method is that the scope of the survey is not subject to any restriction, that is, the sample can be selected in the national selection; the respondents have a relatively abundant time to consider the question of the answer, so that the question is more accurate; The influence of the investigators at the scene, the information obtained is more objective and real.
Therefore, this method can be employed when the visitor does not want to face, or if the reaction may be affected or misinterpreted by the visitor.
