• 2022-05-28
    2. Which methods are commonly used for field research?
    A: Questionnaire
    B: Experimentation
    C: Observation
    D: Interview
  • A,C,D

    内容

    • 0

      What is the major research methodology of the study? A: action research B: interviewing students C: classroom observation D: questionnaire

    • 1

      2. Which of the following methods is not commonly used to separate interfering components? ( ) A: Precipitation separation method B: Titration analysis C: Ion exchange method D: Chromatographic separation

    • 2

      Which twoof the following techniquescan be used for market research? A: Field research B: Deskresearch C: Advertizing D: Sales promotion

    • 3

      There are various methods of market research, such as questionnaire research, unfamiliar visits, library network research, etc. ( )

    • 4

      The method of field information recording is A: photo survey, interview B: note, sketch C: participatory observation D: landscape observation