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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**)
  1. **represents significance at the .05 level