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AutorFiedler, Daniela
TitelRelevance of threshold concepts for understanding evolution.
QuelleKiel: Universitätsbibliothek Kiel (2018), 189 S.
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Diss., Christian-Albrechts-Universität zu Kiel, 2018.
BeigabenLiteraturangaben; Illustrationen
Spracheenglisch
Dokumenttyponline; gedruckt; Monographie
URNurn:nbn:de:gbv:8-diss-238759
SchlagwörterWissen; Bildungsforschung; Akzeptanz; Didaktik; Unterricht; Evolutionstheorie; Dissertation; Konzept
AbstractEvolutionary theory is the integrative framework of modern biology and learning its essential tenets is widely considered a necessary feature of scientific literacy. However, research indicates that teachers and students still struggle with teaching and learning evolution, respectively, and have various alternative conceptions. Current research also displays learning difficulties with those evolutionary concepts that are strongly related to abstract concepts like randomness and probability, so-called threshold concepts. Until now, valid tools that assess students' understanding of these threshold concepts to examine the relationships to knowledge and to the acceptance of evolution, as well as to investigate the effectiveness of educational strategies to support a conceptual knowledge of threshold concepts are lacking. Four empirical studies have been conducted as part of this dissertation project. All four studies focus on students' conceptual knowledge of threshold concepts, particularly on the threshold concepts randomness and probability. Study 1 concentrates on the developmental process of two test instruments to measure students' conceptual knowledge of randomness and probability in an evolutionary and mathematical context (RaProEvo and RaProMath, respectively). In Study 2, the RaProEvo test was used to examine the effectiveness of the simulation software EvoSketch for teaching and learning random and probabilistic processes in evolution. Findings indicate that EvoSketch simulations are a useful tool for learning and teaching these concepts, particularly for fostering long-term understanding. Study 3 deals with the question to which extent conceptual knowledge of randomness and probability is related to knowledge and to acceptance of evolution. Results reveal moderate to strong relationships, while conceptual knowledge of randomness and probability also serves as explaining factor for knowledge and acceptance of evolution. In Study 4, the effect of item features for students' use of threshold concepts was investigated. Findings examine that students' use of threshold concepts in their written evolutionary explanations differs among the three investigated contexts, although no consistent pattern was found. Moreover, fine grained analyses reveal interesting insights into the different expression of threshold concepts according to item features. Overall, using qualitative and quantitative methods, the presented dissertation provides new insights into the existing body of work on evolution education by developing a more expansive view of understanding (and accepting) evolution that encompasses aspects of threshold concepts. (Verlag).
Erfasst vonExterner Selbsteintrag
Update2019/3
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