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27: Assessing Relationships 2 – Phi + Tetrachoric

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Assessing Relationships 2

  • Phi and Tetrachoric
      • Used to determine a relationship between two variables that are neither of the interval or ratio scale (e.g., sex and a YES/NO or TRUE/FALSE variable

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    • Spearman’s Rho
        • Used primarily for rank ordered data (e.g., likert scales)

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      • Eta
          • Used for non-linear relationships only (e.g., age and income)

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