The distribution comparison of individual-level WSC total score.
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Abstract
<p><a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0114924#pone-0114924-g002" target="_blank">Fig. 2</a> shows the distributions of individual-level WSC total score. The histograms and fitting normal distribution curves in the upper-left and lower-left corners in the figure represent the observation frequencies and distributions before and after the intervention in the control group. The histograms and fitting normal distribution curves in the upper-right and lower-right corners in the figure represent the observation frequencies and distributions before and after the intervention in the intervention group.</p