biserial correlation coefficient

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Noun1.biserial correlation coefficient - a correlation coefficient in which one variable is many-valued and the other is dichotomous
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
coefficient of correlation, correlation coefficient, correlation - a statistic representing how closely two variables co-vary; it can vary from -1 (perfect negative correlation) through 0 (no correlation) to +1 (perfect positive correlation); "what is the correlation between those two variables?"
References in periodicals archive ?
The evaluation of the integrative neuropsychological parameters of subcortical-frontal function as disease liability factors was defined by calculating the point biserial correlation coefficients on the basis of the means and standard deviations of patients' and healthy controls' features, taking into account the prevalence of schizophrenia in the common population.
Point biserial correlation coefficients of the integrative characteristics of the left and right subcortical-frontal regions with liability to schizophrenia reached 0.
In the studies, validity for the composite was computed as biserial correlation coefficients.