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Relationships & Pred

Research Methods

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.
Created by: MeganFultz2