PMC9236132_01
Two video lecture conditions (A) Grayscale design; (B) color-coded design.
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F1
In this study, we used the same materials as in our previous study (; Figure 1). One video lecture was grayscale (Figure 1A), with a black background and white text. The other video lecture was color-coded (Figure 1B).
Flowchart of the proposed method.
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F2
Figure 2 shows the flowchart of the proposed method.