Answer the following statements true (T) or false (F)

1. Spearman’s rho (symbolized by r sub s), or Spearman’s rank order correlation coefficient, is an appropriate measure of relationship for ordinal-level data.
2. Gamma is a PRE measure not well suited for ordinal data.
3. Partial correlation looks at the relationship between two variables while controlling for (taking into account) the effects of one or more other variables.
4. Multiple correlation involves predicting Y (the dependent variable) on the basis of multiple predictors.
5. The ecological fallacy is the error of assuming that relationships based on groups (aggregate, ecological, or a real data) can be validly assumed to be true of individual correlations.


1. True
2. False
3. True
4. False
5. True

Criminal Justice

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