Psychological Investigations : Correlations

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  • Correlations
    • Correlation is a data analysis technique
      • It is used in non experimental studies where cause and effect cannot be established
      • Correlation cannot prove cause and effect, but it can establish a relationship between two variables
    • Correlations can be positive or negative
      • Positive correlations are when as one variable increases, the other also increases
      • Negative correlations are when as one variable increases the other decreases
    • Strengths and weaknesses
      • Doesn't take into account third variables
      • Doesn't show causation
      • Measures the relationship between variables
      • Researchers may use correlational analysis as a starting point in their research


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