Only you can decide which method will suit your purposes

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Type of data obtained. A questionnaire provides accurate and uniform answers, since all respondents answer the same questions, and is easier to analyze. A survey provides more diverse and rich results, but it is also more difficult to systematize them.
Cost. Questionnaires are cheaper because they do not require a researcher to collect data, and the results can be easily studied using a computer. Surveys can be more expensive because an interviewer is required to conduct the interview and then process the information.
Whether you want unambiguous answers to specific questions from clients or lengthy essays on topics like “what do you value in us” or “what could be improved.” Therefore, chinese overseas canada database main secret of success here is not in the research process itself, but in high-quality preliminary preparation.

We have considered the differences between a questionnaire and a survey. The choice of one method or another depends on the goals, the nature of the information that needs to be obtained, the capabilities of the researchers, so it is impossible to say for sure which method is better. Both a social survey and a questionnaire can be conducted in written or electronic form, by phone or in person. Both methods require careful preparation - segmentation of the client base, drawing up a conversation script and at least an approximate list of questions, planning the expected results, training and training the personnel who will conduct and process the obtained data. The latter should be given special attention, because the better managers are able to build contact with consumers, the more useful the information collection campaign will be for the business. Therefore, if you need to quickly get a high-quality result, and there is not enough time to train your own specialists, you should contact a high-quality call center: this way you will get the best result with minimal costs.