Question: Under what conditions might someone conducting a mail survey use
Under what conditions might someone conducting a mail survey use an overnight courier to send questionnaires to sampling units?
Relevant QuestionsWhat is self-selection bias? Describe it as a source of total survey error. Do surveys tend to gather qualitative or quantitative data? What types of information are commonly measured with surveys? Yogi Berra, the famous, late baseball player and coach who was famous for mind-boggling sayings, said, “You can observe a lot just by watching.” How does this fit in with the definition of scientific observation? What are the major advantages of unobtrusive observation over other types of data collection? What are the shortcomings of this method?
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