The coefficient of variation as a measure of sincerity of effort of grip strength, part I: The statistical principle

The coefficient of variation is a widely used measure of sincerity of effort of grip strength despite contradictory research findings and lack of empirical support in the literature

Orit Shechtman

2012

Scholarcy highlights

  • The coefficient of variation is a widely used measure of sincerity of effort of grip strength despite contradictory research findings and lack of empirical support in the literature
  • The purpose of this study was to investigate whether the CV is an appropriate measure of sincerity of effort
  • One hundred forty-six uninjured volunteers underwent a series of grip strength tests
  • The increased CV associated with submaximal effort was an artifact of reduced torque rather than an indicator of a true increase in variability
  • The coefficient of variation is not an appropriate measure of sincerity of effort of grip strength

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