Though demographic information can be sought either at the beginning or at the end of the questionnaire,information of a very private and personal nature such as income,state of health,and so on,if considered necessary for the survey,should be asked at the beginning of the questionnaire,rather than the end.

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This is because respondents may become hesitant or feel uncomfortable answering such personal questions if they have invested a lot of time and effort in the survey already. Asking such questions at the beginning ensures that respondents know what they are getting into and can decide whether they want to continue participating in the survey or not.

Though Demographic Information Can Be Sought Either at the Beginning