Exact(5)
Is there a difference in the prevalence of the adaptive mutation misconception between students using the tutorial version and students using the workbook version?
(2) Is there a difference in the prevalence of the adaptive mutation misconception between students using the tutorial version and students using the workbook version? .
More than 50% of students using the tutorial version and more than 40% using the workbook version did not choose this misconception distractor on any of the 3 questions.
Need to change Yes Yes Individuals evolve Yes Yes Gradual population change Yes Yes Adaptive mutation No Yes Beneficial traits Not assessed Yes Acquired traits Not assessed Yes Comparison of student improvement on misconceptions when using the workbook version of the Darwinian Snails module (as measured by Abraham et al. 2009) or using the tutorial version (data from study 1; Fig. 3; Table 4).
Another way to visualize the data is to compare the proportion of workbook and tutorial students who chose an Adaptive mutation distractor 0, 1, 2 or 3 times (Fig. 5); 28%percentt of students using the workbook version selected an Adaptive mutation distractor on two or three different questions, compared to 17% of students using the tutorial version.
Similar(55)
Of these, 1885 students in 18 classes used the tutorial version of the module and 720 students in 20 classes used the workbook version.
There was no statistically significant difference in performance on the summative assessment between students who used the tutorial and those who used the workbook version of the module.
Students in courses that used the workbook version chose a distractor expressing the Adaptive mutation misconception more frequently than those using the tutorial version; the standardized score for this misconception was significantly higher for the workbook students (Mean = 0.32 ± 0.32; Mdn = 0.33) than the tutorial students (Mean = 0.23 ± 0.28; Mdn = 0; Z = 5.98, p < 0.0001), r = 0.12.
In other words, when we accounted for the clustering of students in classes, there was not a significant difference in performance for students who used the tutorial version (Mean = 73.12 ± 20.61) and those who used the workbook version (Mean = 68.65 ± 22.85) on the summative assessment.
Because the standardized misconception counts were not normally distributed, we used the nonparametric Wilcoxon/Mann–Whitney test to compare counts between students using the workbook vs tutorial versions.
(3) How do these findings compare to the previous findings on key concepts and misconception use in the workbook version? .
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