When are online survey research services, such as Qualtrics, most likely to produce misleading ...

When are online survey research services, such as Qualtrics, most likely to produce misleading results?
 
  a. When the research calls for using a questionnaire rather than an interview
  b. When doing qualitative rather than qualitative research
  c. When internet access is lacking in the population being studied
  d. When using contingency or filter questions

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A focus group is also referred to as
 
  a. an in-depth interview.
  b. a group depth interview.
  c. a case-study interview.
  d. an unstandardized interview.

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Which of the following is NOT true of interviews in contrast to questionnaires?
 
  a. Interviews are less flexible as a form of data collection.
  b. Interviews are more susceptible to interviewer bias.
  c. Interviews are more costly.
  d. Interviews are more susceptible to variation in the wording of questions fromone interview to the next.