Data sources and measurement scales

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Mind map
Rory Rieseberg
Mindmap von Rory Rieseberg, aktualisiert more than 1 year ago
Rory Rieseberg
Erstellt von Rory Rieseberg vor fast 8 Jahre
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Zusammenfassung der Ressource

Data sources and measurement scales
  1. Sources
    1. Primary
      1. Collected by researchers

        Anmerkungen:

        • Eg interview, observation, action research, case studies, life histories, questionnaires, ethnographic research, longitudinal studies
      2. Secondary
        1. Data that already exists

          Anmerkungen:

          • Eg Previous research, Official statistics, Mass media products, Diaries, Letters, Government reports, Web information, Historical data and information
      3. Measurement Scales
        1. Nominal

          Anmerkungen:

          • Name - Eg Gender M or F
          1. Ordinal

            Anmerkungen:

            • Order, measurements of non-numeric concepts - Eg satisfaction, happiness etc
            1. Interval

              Anmerkungen:

              • Know differences between each value - Space between - Eg weight, temperature.  No such thing as zero temperature
              1. Ratio

                Anmerkungen:

                • Tells us order, exact value between units and has absolute zero - Eg height, weight.
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