Measurements of pain include self rating scales, behavior approaches and physiological approaches.
测量疼痛的方法包括词语和数字的自我评定量表、行为观察量表和生理学方法。
Raters, even when they are experienced and trained to use and interpret rating scales in similar ways, differ widely in their rating behavior.
即使评分员都颇有经验，而且在评分标准的理解和使用上接受同样的训练，他们的实际评分行为仍会有很大的不同。
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