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Examiner skill. Each of the 169 examiners is plotted on three skill dimensions: TNRVID (mean 88%, SD 13.6%), FNRVID (mean 7.5%, SD 7.3%), and TPRPRES (shown in color, with red crosses denoting the lowest quartile and blue squares the highest quartile; mean 32%, SD 9.4%). The five examiners who made false positive errors are indicated with bold filled circles.
