Table 2. Understanding scores across study arms.
| Arm 1 | Arm 2 | Arm 3 | Kruskal Wallis p-value (with ties) | |
|---|---|---|---|---|
| Open Ended Score | ||||
| Mean | 0.74 | 0.77 | 0.80 | .25 |
| Standard Deviation | 0.23 | 0.18 | 0.21 | |
| Median | .83 | .83 | .83 | |
| IQR | .17 | .25 | .33 | |
| One sample median test (p>z) | 0.13 | 0.83 | 0.27 | |
| Closed Ended Score | ||||
| Mean | 0.75 | 0.75 | 0.76 | .82 |
| Standard Deviation | 0.19 | 0.19 | 0.18 | |
| Median | .83 | .71 | .77 | |
| IQR | .35 | .30 | .35 | |
| One sample median test (p>z) | 0.80 | 0.85 | 0.89 | |
| Overall Score | ||||
| Mean | 0.75 | 0.76 | 0.78 | .43 |
| Standard Deviation | 0.17 | 0.19 | 0.16 | |
| Median | .79 | .79 | .79 | |
| IQR | .17 | ,24 | .15 | |
| One sample median test (p>z) | 0.35 | 0.71 | 0.20 |