| SCALE OF MEASUREMENT | TYPE OF ANALYSIS |
|---|---|
| Interval or ratio | Test to see if Pearson's r is greater than zero. Less powerful alternatives: 1. t test between means |
| Ordinal data, such as ranked data |
1. Test to see if Spearman's rho is greater than 0. 2. Less powerful alternative: Chi-Square test |
| Nominal data (qualitative, categorical data) |
Chi-Square test |