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Akkaraju, Shylaja; Wolf, Alexander – Journal of Effective Teaching, 2016
A "threshold concept" is a challenging concept that acts as a doorway leading to deeper understanding and a dramatic shift in perception. A learner that is involved in grasping a threshold concept is said to be undergoing a threshold experience within a "liminal space" or learning environment. We used the blog as a liminal…
Descriptors: Community Colleges, Two Year College Students, College Science, Introductory Courses
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Wolf, Alexander; Akkaraju, Shylaja – Journal of Effective Teaching, 2014
Despite the centrality of evolution to the study of biology, the pedagogical methods employed to teach the subject are often instructor-centered and rarely embedded in every topic throughout the curriculum. In addition, students' prior beliefs about evolution are often dismissed rather than incorporated into the classroom. In this article we…
Descriptors: Evolution, Biology, Science Instruction, Teaching Methods