Recalculation of the critical values for Lawshe’s content validity ratio.
The content validity ratio (Lawshe) is one of the earliest and most widely used methods for quantifying content validity. To correct and expand the table, critical values in unit steps and at multiple alpha levels were computed. Implications for content validation are discussed.
Wilson, FR; Pan, W; Schumsky, DA
Measurement and Evaluation in Counseling and Development
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