By Konstantina Chrysafiadi, Maria Virvou
This publication goals to supply vital information regarding adaptivity in computer-based and/or web-based academic structures. for you to make the coed modeling approach transparent, a literature assessment bearing on pupil modeling innovations and ways prior to now decade is gifted in a distinct bankruptcy. a singular scholar modeling method together with fuzzy good judgment recommendations is gifted. Fuzzy common sense is used to instantly version the training or forgetting technique of a pupil. The provided novel pupil version is accountable for monitoring cognitive nation transitions of freshmen with admire to their development or non-progress. It maximizes the effectiveness of studying and contributes, considerably, to the variation of the training approach to the educational speed of every person learner. as a result the ebook presents very important info to researchers, educators and software program builders of computer-based academic software program starting from e-learning and cellular studying platforms to academic video games together with stand on my own academic purposes and clever tutoring systems.
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9). In particular, A FCM consists of nodes (N1, N2, … Nn), which represent the important elements of the mapped system, and directed arcs, which represent the causal relationships between two nodes (Ni, Nj). The directed arcs are labeled with fuzzy values (fij) in the interval [−1, 1] that show the “strength of impact” of node Ni on node Nj. If fij has a positive value, then it indicates that node Ni affects positively node Nj. In other words, the positive value on the directed arc that connects Ni with Nj, means that the increase of the value of Ni leads to the increase of the value of Nj, or the decrease of the value of Ni leads to the decrease of the value of Nj.
Furthermore, LeCo-EAD (Faraco et al. 2004) and InfoMap (Lu et al. 2005) have modeled students’ misconceptions by using a perturbation model. InfoMap’s perturbation student model involves 31 types of addition errors and 51 types of subtraction errors (Lu et al. 2005). The student model of both systems allows the reasoning of students’ errors and helps the system to expand the explanation during the feedback to the students. Moreover, Baschera and Gross (2010) have represented through the perturbation approach the student’s strength and weaknesses, in order to allow for appropriate remediation actions to adapt to students’ needs.
In other words, the negative value on the directed arc that connects Ni with Nj, means that the increase of the value of Ni leads to the decrease of the value of Nj, or the decrease of the value of Ni leads to the increase of the value of Nj. Therefore, a FCM is a cognitive map whose relations between the nodes can be used to compute the “strength of impact” of these elements. This property of FCM makes it able to predict, to make decisions, to generate a more accurate description of a difficult situation and to explain behaviors, actions and situations (Codara 1998).