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Table 7 r (top) and adjusted r square (bottom) values for cumulative sub-dialogues in the fully-adaptive condition and the pre-test

From: Non-intrusive assessment of learners’ prior knowledge in dialogue-based intelligent tutoring systems

  1 1–2 1–3 1–4 1–5 1–6 1–7 1–8
All .820 .910 .949 .930 .922 .935 .936 .924
  .589 .764 .833 .812 .788 .802 .839 .811
Time .566 .723 .837 .847 .841 .823 .882 .865
  .290 .509 .677 .701 .684 .652 .752 .724
Gen .782 .862 .904 .906 .896 .850 .909 .884
  .530 .671 .771 .791 .774 .675 .807 .749
Scaf .709 .662 .838 .769 .754 .752 .782 .804
  .472 .394 .679 .552 .511 .508 .574 .606