Once the respondent receives the questionnaire the

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disadvantage. Once the respondent receives the questionnaire, the questioning process is beyond the researcher’s control. While mail questionnaires are highly standardized, this could be a disadvantage due to the difficulty in changing the format of the questions. If time is an issue, mail surveys may not be a good communication medium. Finally, mail questionnaires can be relatively long in length.
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79. Explain how response rates are determined for surveys and discuss ways to increase response rates for mail surveys. The response rate is the number of questionnaires returned or completed divided by the number of eligible people who were asked to participate in the survey. Typically, the number in the denominator is adjusted for faulty addresses and similar problems that reduce the number of eligible participants. Ways to increase response rates for mail surveys include: (1) Include a cover letter (2) Offer monetary incentive or premiums (3) Include interesting questions (4) Conduct follow-ups, which may include a duplicate questionnaire or merely be a reminder to return the survey; use codes to key questionnaires (5 )Notify respondents in advance (6) Keep survey sponsor anonymous (7) Other techniques include types of envelopes, stamps, and color of questionnaire paper 80. Compare and contrast door-to-door personal interviews with telephone interviews with respect to speed of data collection, geographic flexibility, respondent cooperation, and questionnaire length. Speed of data collection--for door-to-door interviews it is moderate to fast and very fast for telephone interviews. Geographic flexibility--limited to moderate for door-to-door interviews and high for telephone interviews. Respondent cooperation--good for both types but better for door-to-door interviews. Questionnaire length--can be long for door-to-door interviews but only moderate in length for telephone interviews. 81. A business research company has been commissioned to conduct an Internet survey with 5,000 potential respondents. Explain how a researcher can uncover potential problems with a survey design before launching it. Pretesting involves trial runs using the survey instrument with a group of colleagues or actual respondents to iron out fundamental problems in instructions, items, or design of a questionnaire. Researchers benefit by spotting problems in the pretest and rightly inferring that a problem with this very small sample will likely be a problem in the full sample once data collection actually begins.
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  • Spring '14
  • HomeroAguirre-Milling
  • Business, Statistical survey

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