Table 2.
Exam question results analysis.
| Question | D-PBL (n=37) |
Linear PBL (n=43) |
U | Z | P a | Effect size | |||
|
|
Mean (SD) | Median (range) | Mean (SD) | Median (range) |
|
|
|
|
|
| Related to D-PBL |
|
|
|
|
|
|
|
|
|
|
|
1 | 8.26 (1.31) | 8.50 (5.50-10.00) | 6.94 (1.62) | 7.00 (3.50-10.00) | 443.0 | –3.419 | <.001 | 0.814 |
|
|
2 | 6.08 (1.58) | 6.00 (2.00-10.00) | 5.41 (1.94) | 5.50 (1.00-10.00) | 593.5 | –1.958 | .02 | 0.345 |
|
|
3 | 7.84 (0.95) | 8.00 (5.00-9.50) | 6.76 (1.35) | 7.00 (4.00-10.00) | 391.5 | –3.929 | <.001 | 0.800 |
|
|
4 | 7.00 (1.72) | 7.50 (3.00-10.00) | 5.83 (1.86) | 6.00 (0.50-10.00) | 497.0 | –2.895 | .002 | 0.629 |
|
|
5 | 7.52 (1.42) | 7.50 (4.30-9.50) | 6.15 (1.45) | 6.30 (2.30-9.30) | 394.0 | –3.882 | <.001 | 0.945 |
| Unrelated to D-PBL |
|
|
|
|
|
|
|
|
|
|
|
6 | 7.84 (1.18) | 8.00 (3.00-9.00) | 8.04 (0.82) | 8.00 (6.00-9.00) | 751.5 | –0.437 | .33 | –0.244 |
|
|
7 | 6.94 (1.23) | 7.50 (4.00-10.00) | 7.34 (1.27) | 7.00 (2.00-9.50) | 677.5 | –1.153 | .12 | –0.315 |
|
|
8 | 6.18 (1.92) | 6.50 (0.00-9.00) | 5.95 (2.31) | 6.0 (1.00-10.00) | 770.5 | –0.242 | .41 | 0.099 |
|
|
9 | 8.12 (1.20) | 8.00 5.00-10.00) | 8.06 (1.04) | 8.00 (5.00-10.00) | 729.5 | –0.644 | .26 | 0.058 |
a 1-tailed, exact.