Exact(6)
In Study 2, stronger-background students enrolled in the Evolution course did significantly better after instruction than before for the nested clades and polytomy questions.
After general biology instruction (Study 1), they had a mean proportion correct of 0.62; after phylogenetics instruction in the Evolution course (Study 2), accuracy increased to 0.90.
As several studies did not explain the nature of the evolution course, it is difficult to know the factors that explain these varied results.
Additionally, it is unclear whether teachers incorporated developmental constraints, or other lesser-known non-adaptive factors (see Gould 2002), into their teaching in all the biology classes or if it was only found in the evolution course.
These reports were consistent with students' responses to an open-ended question that appeared on an informal, pre-course survey that had been administered to students in the evolution course as well as three previous iterations of the course on evolution at AGS.
This lack of specific coverage of natural selection and genetic drift was expected, as the evolution course is a prerequisite for the advanced organismal biology course, and thus students are expected to have an understanding of evolutionary causal factors when they begin the advanced course.
Similar(54)
This study used a survey to collect responses from post-secondary instructors in the United States about how evolution is taught and how the individuals teaching the evolution courses perceive the theory and its role in shaping life on earth.
Since evolution is a fundamental organizing principle of biology, we were not surprised to find that, regardless of institutional type, half or more of the evolution courses were taught during the first two years of college.
The second group had extensive exposure to evolution (including selective and non-adaptive factors) in the introductory biology course, the advanced evolution course, and in the advanced organismal biology course.
The matched evolution course of co-evolving biological species demonstrates their symbiotic interdependency.
We tested 41 Vanderbilt University students (22 females, 19 males) who were enrolled in the intermediate-level Evolution course taught by the fourth author.
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