before the start must make preparations, market research is an indispensable link, Xiaobian summed up some simple and effective market research method, the hope can bring some help for everyone.
1, personal visits: Investigators get information through face-to-face conversations with respondents.
2, telephone access: by telephone to get information from the respondents.
3, mail inquiry: the design of the questionnaire mailed to the respondents, ask them to send back a good answer, so as to collect information.
4, lien inquiry: the questionnaire will be sent to the respondents, indicating that the method to fill out a questionnaire after the completion of its own, and then recovered in order to obtain information.