In some areas of study and involving qualitative research, you can see some difficulty in getting answers to the questionnaires sent, leading researchers to high efforts in order to obtain a number of responses that statistically validate the research. Too often, is necessary to forward the invitation, many times, to the same respondents, obtaining then the answers you need. My question: the insistence of the researcher can lead the respondent to the minimum responses that do not reflect reality, to meet the request, just to avoid new invitations?

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