Distribution of Evaluation for Donors: the Horizontal Axis Shows the Evaluation Score (IMAGE)
Caption
The scores were calculated by simply adding together the scores of three statements on a 5-point scale, so it has minimum and maximum values of 3 and 15. The vertical axis shows the density of kernel density estimation. The solid black line, dotted red line, and dotted green line represent Experiments 1, 2, and 3, respectively.
Credit
PLOS ONE
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