AI’s contribution score according to the level of difficulty (N=63)
| Level | M | SD | F | P-value | Scheffe | |
|---|---|---|---|---|---|---|
| AI’s contribution | 1a | 2.68 | 1.08 | 5.322 | <0.001 | a, b>d |
| 2b | 2.63 | 1.04 | ||||
| 3c | 2.38 | 1.05 | ||||
| 4d | 1.92 | 0.94 | ||||
| 5e | 2.25 | 1.20 |
M, mean; SD, standard deviation.
ANOVA and Scheffe’s post hoc test were used.