What are the demerits of mailing method

1.	What are the demerits of mailing method
Answer» The main demerits of this method can be listed as follows:\tIt cannot be used for illiterate or uneducated respondents.\tRate of non-response is high in comparatively with other method.\tIf there is any confusion in the questionnaire, they cannot be solved.\tThere is inbuilt inflexibility.\tThe control over questionnaire may be lost once it is sent.\tIt is difficult to verify the accuracy of the answers given. This method is likely to be the slowest of all.\tThere is no scope for asking supplementary questions for cross checking of the information supplied by the respondents.\tInformants are not willing to give written information in their own, handwriting as certain personal questions like income, property, personal habits and so on.

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