P338 - DELFI 2023 - Die 21. Fachtagung Bildungstechnologien

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Konferenzbeitrag
Show me the numbers! - Student-facing Interventions in Adaptive Learning Environments for German Spelling
(21. Fachtagung Bildungstechnologien (DELFI), 2023) Rzepka, Nathalie; Simbeck, Katharina; Müller, Hans-Georg; Bültemann, Marlene; Pinkwart, Niels
Our work presents the result of an experiment conducted on an online platform for the acquisition of German spelling skills. We compared the traditional online learning platform to three different adap-tive versions of the platform that implement machine learning-based student-facing interventions that show the personalized solution probability. We evaluate the different interventions with regards to the error rate, the number of early dropouts, and the users’ competency. Our results show that the number of mistakes decreased in comparison to the control group. Additionally, an increasing num-ber of dropouts was found. We did not find any significant effects on the users’ competency. We conclude that student-facing adaptive learning environments are effective in improving a person’s error rate and should be chosen wisely to have a motivating impact.