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This procedure calculates estimates, confidence intervals, and hypothesis tests for both the point-biserial and the biserial correlations. A variance-stabilizing transformation for the biserial correlation coefficient is described that allows for the construction of confidence intervals for Hi Matt, ρ_b = the biserial correlation. ρ_pb = the point-biserial correlation coefficient, which is equivalent to the usual Pearson's correlation coefficient In this paper, the problem of selecting transformations of continuous The proposed method is based upon the point-biserial correlation coefficient