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首页> 外文期刊>Journal of hand therapy: Official journal of the American Society of Hand Therapists >Using the coefficient of variation to detect sincerity of effort of grip strength: a literature review.
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Using the coefficient of variation to detect sincerity of effort of grip strength: a literature review.

机译：利用变异系数来检测握持力的努力的诚信：文献综述。

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摘要

Many clinicians use the coefficient of variation (CV) to assess sincerity of effort, without understanding the premise on which it is based or its physiological and mathematical bases. Clinicians who use computerized evaluation systems that calculate the CV may not even be aware of the formula used to derive it. The wide use of the CV in detecting sincerity of effort of grip strength is puzzling, since it lacks empirical support in the literature. This paper examines the physiological rationale for using measures of variability to detect sincerity of effort, the mathematical basis on which the CV is founded, and the reliability and validity of the CV. The conclusions based on this literature review are that the CV is not an appropriate method for determining whether an effort is sincere and that CV values may be inflated in injured patients with compromised hand strength.
机译：许多临床医生使用变异系数（CV）来评估努力的诚意，而不了解其基于基于的前提或其生理和数学基础。 使用计算CV的计算机化评估系统的临床医生甚至可能无法意识到用于导出它的公式。 在掌握力量努力的努力方面广泛使用CV是令人费解的，因为它缺乏在文献中的实证支持。 本文研究了利用可变性测量来检测努力的措施的生理学理由，基于CV的数学依据以及CV的可靠性和有效性。 基于该文献综述的结论是CV不是确定努力是否真诚的合适方法，并且CV值可能在受损手动强度受损的患者中膨胀。

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