Researchers normally avoid asking screening questions at the beginning of a survey since the interview will begin with a negative tone,perhaps causing the person to think the questionnaire will be asking any number of personal questions,and object to taking part.

Question

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Screening questions are commonly used at the beginning of surveys to ensure that respondents meet the criteria necessary for the study, helping to target the survey to the appropriate audience and improve the relevance and accuracy of the data collected.

Researchers Normally Avoid Asking Screening Questions at the Beginning of a Survey