| Levene’s test of equality of error variancesa | ||||
|
| F | df1 | df2 | Sig. |
| NL_prop | 3.872 | 15 | 98 | 0.000 |
| NI_prop | 1.488 | 15 | 98 | 0.125 |
| NC_prop | 1.701 | 15 | 98 | 0.063 |
| mspan | 1.380 | 15 | 98 | 0.172 |