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QUANTITATIVE RESEARCH (Survey(down), correlation(left) and…

- - - - near +1.00 - high size and (+)(direction)
      - near .00 - variable not related
      - near -1.00 - high size and (-)(direction)
    - - between plus or minus (.35 and (.65) - moderately related
      - higher than plus or minus (.65) - highly related
      - below plus or minus .35 (low or not related)
      - prediction (below plus or minus (.50) - generally useless
      - Reliability (.90s - high, .80s - moderate, .70s - low
- - - - Identify population - select a sample
      - administer instruments
      - Identify variable
      - collect data within a short period time
    - - linear relationship
      - Curvilinear relationship
      - Computing a correlation coefficient
    - - suggest subsequent examination
      - need to provide control in causal - comparative & experimental studies
  - - - Generally obtain predictor variables earlier than the criterion variable
      - strength - of the predictor variable is established
    - - Prediction equation
        
        Y = a + bx
    - - Predictor (variable use to predict
      - Criterion (variable that is predicted)
      - can use more than 1 variable
- - - - Self report instrument( questionnaire, IV)
      - Observation - Researcher obtain data by watching participant
    - - Longitudinal survey - collect t2 or more time to measure changes over time
      - Cross-Sectional Survey - collecting data from selected single time period