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Exact(11)
We conducted a multiple linear regression to determine the relative influence of each variable, independently of the others, on the post-test natural selection understanding score.
Overall, the trees could be grouped into three categories (see Figure 2): complete understanding (score 4), developing understanding (score 2 3), or lack of understanding (score 0 1).
'Understanding score' and 'overall assessment' grading were analysed with a generalized estimating equations model.
After completing the practice activities, students' mean understanding score increased to 3.6 ± 0.1 (p < 0.001 versus after pretest).
The median understanding score was shifted towards the middle of the scale in those without DMC and was at the top of the scale in those with DMC.
Due to the difference in the methods of outcome ascertainment (understanding score), we estimated from each study the standardized mean difference (SMD) and 95% confidence interval.
Similar(48)
Four of the five teachers who taught the Altitude mini-unit show a significant increase (p < 0.05) in student understanding scores, with the fifth teacher trending in this direction as well (Table 9, Fig. 1).
The understanding scores showed a similar distribution in both samples.
The index was called Transfusion Risk Understanding Scoring Tool (TRUST).
In all analyses, SMD was estimated as the intervention understanding scores minus the control understanding scores (i.e., SMD > 0 favors the intervention group).
Understanding scores averaged 2.6 ± 0.1 (SEM) for students before answering the pretest questions.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com