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NodeGrade tries to provide a suitable solution for the problem of time-intensive short answer grading. This research focuses simultaneously on performance, functionality and user experience, which is underlined by a triangulated approach. The evaluation results show comparable performance of NodeGrade on public datasets, even outperforming GPT-4 on...
The assessment of affective states in online learning often relies on various devices, such as sensors, which indicate physiological reactions of a person's emotional state. It is important to note that not every university can afford the sensors and devices required for this purpose. Furthermore, not every student may be willing to monitor their e...
The aim of this paper is to describe the evaluation process and findings of an AI-based Adaptive Learning System for the Computer Science discipline at two different German universities and discuss an array of methods in regard to assessing such a system. The primary objectives have been twofold: firstly, to examine the reception of selected learni...
The aim of this research was to propose a short form of the Index of Learning Styles questionnaire for use in an adaptive learning system in the context of higher education. Learning Styles have been used as the basis for user-centered adaptive learning in numerous cases. Although the empirical evidence is still questionable, there are studies that...