• 2022-06-08
    Which of the following is not a commonly used research method for uncertain systems?
    A: A. Probability statistics
    B: B. Fuzzy mathematics
    C: C. Grey system
    D: D. Operations Research
  • D

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    • 0

      After research questions being developed, the investigator must firstly identify the type of research method which will be used in the study, such as __________ A: Qualitative method B: Quantitative method C: Mixed method D: Big data

    • 1

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    • 2

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    • 3

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    • 4

      中国大学MOOC: 2. Which methods are commonly used for field research?