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Questionnaire ensures anonymity to its respondents. Therefore, it cannot be wrongly interpreted by the researcher. But in questionnaire method, the responses given by the subjects are available in their own language and version.

Here they may present biased or prejudiced information of their own. In methods like interview and observation, the reliability of responses depends on the way the investigator has recorded them. Questionnaire has some unique merits as regards validity of information. Questionnaire may be used as a preliminary tool for conducting a depth study later on by any other method. Questionnaire does not permit much of variation. As it is administered, in a written form, its standardized instructions for recording responses ensure some uniformity. It helps in focusing the respondent’s attention on all the significant items. (4) Suitable in Special Type of Response:

Thor “fore in comparison with other methods, the mailed questionnaire is the quickest method. In this case there is no need to visit the respondent personally or continue the study over a long period. Replies may be received very quickly in questionnaire method. This can be done by a single researcher without the large funds otherwise required to hire an interviewing staff to carry out the interview. However, questionnaires could be distributed to all those members and information could be collected from them. There may not be enough time to make the necessary interview.

Goode and Hatt say that when the researcher has to cover the group of respondents who are widely scattered, lie can use the questionnaire in order to minimize the cost.įor example, if the researcher wishes to poll the membership of the American Sociological Society, transportation costs for interviewing would be excessive, both in terms of money and time. It can cover a large group at the same time. Questionnaire makes it possible to contact with many people who could not otherwise be reached.