Correlation | |
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Find sample size: If you know the correlation coefficient, use this form to find how many subjects you need. |
Find correlation coefficient: If you know the number of subjects, use this form to find smallest detectable correlation. |

Choose another study design v. 03/03 Contact: sfh2@columbia.edu Source: G.W. Snedecor & W.G. Cochran Statistical Methods (7th ed., p. 104) |