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Results tagged with Search options user 59951
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A confidence interval is an interval that covers an unknown parameter with $(1-\alpha)\%$ confidence. Confidence intervals are a frequentist concept. They are often confused with credible intervals which is the Bayesian analog.

I think I have found out how to calculate the 95% CI for Cohen's q. The approach is based on the fact that Cohen's q is a z-score because of the r-to-z transformation. Cohen's $q=z_1-z_2$ $\mathrm{S … answered Mar 12 '16 by grey 2answers I have two questions with respect to comparing two correlation coefficients. Cohen (1977) suggested to use Cohen's q to compare two Pearson's correlation coefficients by first transforming r with Fis … asked Feb 19 '16 by grey 2answers According to Fritz, Morris, and Richler (2011; see below),$r\$ can be calculated as an effect size for the Mann-Whitney U-test using the formula $$r = \frac{z}{\sqrt N}$$ This is convenient to me, a …
asked Nov 18 '14 by grey