Ein konstruktiver Umgang mit heterogenen Lerngruppen setzt voraus, dass Lehrpersonen Unterschiede in den Lernbedürfnissen und Lernprozessen von Schülerinnen und Schülern wahrnehmen und beurteilen können. Das Projekt KONTRAST geht der Frage nach, ob die Auseinandersetzung mit Videofällen, die Kontraste in den Interaktionsprozessen von Schülerinnen und Schülern zeigen, die Wahrnehmungs- und die Beurteilungsfähigkeit von Lehramtsstudierenden fördern kann. Studierende (N = 86) wurden experimentell drei Bedingungen zugeteilt, die sich im Grad der Kontraste der videografierten Interaktionen unterschieden. Der Beitrag stellt die Anlage des Projekts vor und berichtet erste Ergebnisse. Diese erlauben einen vorsichtigen Hinweis darauf, dass Studierende in ihren Urteilen eher mit Expertinnen und Experten übereinstimmen, wenn sie zuvor mit stark kontrastierenden Videos gearbeitet haben.
For cooperative learning to be effective, the quality of student–student interaction is crucial. Interactions, which are transactive in nature, are positively related to students’ learning success during cooperative learning. However, little is known about typical interaction patterns during transactive interaction in face-to-face cooperative learning. Therefore, the current study aims to analyze typical interaction patterns of transactive interaction in cooperative learning. Sixty-eight students from seventh to tenth grade were randomly assigned to a total of 23 groups in their classes. The groups were videotaped while solving the same open-ended mathematical modelling task. The interaction behavior was coded, and interaction patterns were analyzed using sequential analysis with first- and second-order Markov chains. The results indicate that the likelihood that students confirm and pick up correct proposals is relatively high, indicating transactive interaction. However, it is almost equally likely that incorrect proposals are confirmed erroneously, as students barely correct them. Still, students do frequently engage in transactive interaction by discussing incorrect proposals, even though these discussions rarely lead to correct solution approaches. Limitations of these results, as well as the practical implications for cooperative learning in classroom settings, are discussed.
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