Which one of the following fact-finding techniques is an inexpensive means of gathering data from a large number of individuals ?
Correct answer: D. none of the above Design
- A. observations
- B. work sampling
- C. interviews
- D. none of the above Design
Explanation
Interviews and observation are costly when many people must be contacted, whereas questionnaires would normally provide inexpensive large-scale data collection. Since questionnaires are missing from the choices, none of the listed techniques is the intended answer.
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