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Correlational Research - Coggle Diagram

- - - - 2 > scores can be obtained from each member of the sample
      - 1 score each variables of interest
      - Paired scored are then correlated
      - Result - expressed as a correlation coefficient (between 2 variables)
  - - - Indicates the size and direction of a relationship
      - Decimal number ranging from +1.00 to 0.00 to -1.00
- - - - Identify variables
      - Identify population - select a sample
      - Administer instruments
      - Collect data within a short period of time
    - - Computing a correlation coefficient
      - Linear relationship
      - Curvilinear relationship
  - - - Variable used to predict
    - - Variable that is predicted
      - Conducted to test variables believed to be good predictors of a criterion
    - - Generally obtain predictor variables earlier than the criterion variable
    - - Prediction equation ( Y = a + bX)