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Relationships & Pred
Research Methods
Term | Definition |
---|---|
Pearson Product Moment Correlation (r) | parametric; 2 continuous variables (interval or ratio data) |
spearman's rho (p) | used most freq; nonparametric; 2 ranked variables |
Kendall's Tau (t) | sometimes used w/ smlr samples; non-parametric; 2 ranked variables |
point biserial | dichotomous variables |
intraclass correlation (ICC) | cont variables; reliability coefficient; want 0.9 or higher |
simple linear regression | one outcome variable is predicted from a single predictor variable |
multiple linear regression | 1 outcome variable is predicted by a combo of 2 or more predictor variables; continuous data (ratio, interval data) |
logistic regression | a mult regression procedure in which the outcomes are dichotomous. |