Advances in Human-Computer Interaction

Research Article

A Hierarchical Probabilistic Framework for Recognizing Learners’ Interaction Experience Trends and Emotions

Figure 2

Screen shots from the three environments: (a) trigonometry, (b) backward digit span (BDS), and (c) logic.
632630.fig.002a
(a)
632630.fig.002b
(b)
632630.fig.002c
(c)