Table 1 Summary mean statistics for novice and advanced students (standard deviations reported in brackets)
From: Investigating student interactions with tutorial dialogues in EER-Tutor
Novice | Advanced | U (sig.) | |
|---|---|---|---|
Completed problems | 1.08 (1.12) | 2.15 (0.69) | 39.50 (0.019**) |
Submissions per completed problem | 10.29 (5.06) | 11.31 (5.17) | 39.50 (NS) |
Time per completed problem (min) | 15.08 (9.71) | 16.67 (10.61) | 37.00 (NS) |
Time per attempted problem (min) | 20.21 (3.97) | 17.38 (3.72) | 127.00 (0.029**) |
Submissions | 19.15 (8.32) | 19.46 (8.26) | 77.00 (NS) |
Single-level dialogues seen | 0.91 (0.83) | 0.74 (0.49) | 84.50 (NS) |
Dialogues seen | 15.77 (6.70) | 15.08 (8.09) | 86.50 (NS) |
Prompts seen | 53.92 (22.30) | 44.92 (26.26) | 106.00 (NS) |
Dialogue length | 3.43 (0.21) | 2.99 (0.45) | 158.00 (<0.001**) |
Time per prompt (min) | 0.28 (0.13) | 0.26 (0.11) | 93.00 (NS) |
Unique relevant constraints | 113.77 (8.88) | 117.69 (3.28) | 70.50 (NS) |
Violated constraints | 128.08 (44.51) | 105.23 (83.90) | 124.50 (0.039**) |