Research methods

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  • Research Methods
    • Quantitative
      • Correlation Methods
        • Observational Methods
          • Survey Methods
            • Experimental Methods
      • Types of Data
        • Nominal
          • MeasurementScale in which numbers or names serve as labels
            • Sex/Gender
        • Ordinal
          • Rank Order
            • Race Placing
        • Interval
          • Scale in which differences between measurements indicate equal differences
            • Temperature in C/F
        • Ratio
          • Distance between points on a scale is known and is equal
            • Temperature in Calvins
    • Validity
      • Internal
        • The ability of your method to adequately test the hypothesis it was designed to test
      • External
        • the extent to which the results of a study can be generalised beyond limits of the same study sample to different populations, settings and conditions
    • Asking the right questions ?
      • Ask answerable questions
        • Asking empirical questions (involves working with people)
          • Empirical : based on verifiable observation rather than theory or logic
    • Tails
      • One Tailed
        • can go one way
          • 12 weeks  of anger management CBT will significantly reduce arrests for criminal behaviour.
      • Two tailed
        • can go either way, easier to support hypothesis
          • 12 weeks of anger management CBT will significantly alter arrests for criminal behaviour
    • Variables
      • Independent
        • Variable that is manipulated by the researcher; it is expected to have an effect on the dependent variable
      • Dependent
        • The outcome variable measured in a study; it is expected to change as a result of change in the IV
      • Control
        • Other variables included in a study that may have an effect on the dependent variable


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