| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| Pretest | 0 | 0 | 0 | 1 | 1 |
| Posttest3 | 0 | 0 | 1 | 1 | 1 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| Pretest | -0.154192211525868 | 0 | 0.154192211525868 |
| Posttest3 | 0.833453376564465 | 1 | 1.16654662343553 |
