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choti 22-04-2013
choti - National Institute of Industrial Engineering
"- Researchers may develop questionnaires that they mail or give to a sample of respondents. - Questionnaire research is less expensive and less time consuming than surveys and provides privacy to research participants. - The disadvantage of mail questionnaires is that it is difficult to obtain an adequate response rate. Source: http://in.docsity.com/en-docs/Understanding_Social_Problems_-_American_Social_Problems_-_Lecture_Slides_"
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