Sample Size Calculation For Kappa Statistic
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Sample Size Calculation For Kappa Statistic. Cohen's f statistic is one appropriate effect size index to use for a oneway analysis of variance (anova). Cohen's kappa measures the agreement between two raters who each classify n items into c mutually …
It is generally thought to be a more robust measure than simple percent agreement calculation, since k takes into account the agreement occurring by chance.
It is generally thought to be a more robust measure than simple percent agreement calculation, as κ takes into account the possibility of the agreement occurring by chance. Cohen's f can take on values between zero, … Cohen's kappa (jacob cohen 1960, j cohen (1968)) is used to measure the agreement of two raters (i.e., "judges", "observers") or methods rating on categorical scales. The precise estimation of the power may tell investigators how likely it is that a statistically significant difference will be detected based on a finite sample size under a true alternative hypothesis.
