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Fig. 2 | Smart Learning Environments

Fig. 2

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

Fig. 2

The 3-loop instructional framework in DeepTutor The 3-loop instructional framework in DeepTutor consists of three major loops: the task loop which loops through the set of tasks in a tutorial session, the solution-step loop which loops through the set of steps in a solution and initiates a hint loop for each missing step in the studnet solution (an X mark on a step in the figure means the student missed to mention that step in their initial solution; the last step is a summarization step in which students are given a summary of the solution), and the hint loop which loops through the set of hints related to a step in a solution

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