27: Assessing Relationships 2 – Phi + Tetrachoric
Assessing Relationships 2
- Phi and Tetrachoric
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- 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
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- Used primarily for rank ordered data (e.g., likert scales)
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- Eta
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- Used for non-linear relationships only (e.g., age and income)
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