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
biserial correlation
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?"
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References in periodicals archive
The point biserial correlation coefficient (rpb) will measure the relationship of correct or incorrect answer with overall score and it ranges from 0 to 0.4.
EFFECTIVENESS OF MCQS IN ASSESSING HIGHER ORDER COGNITION
In the studies, validity for the composite was computed as biserial correlation coefficients. The significance level of validity was not reported by Germain et al., but I computed them using the standard error formula for biserial correlations (Guilford & Fruchter, 1978).
Situational specificity and within-setting validity variability
** p < .01 in comparison of values in patients and healthy controls Table 2 Point Biserial Correlation Coefficients of the Studied Integrative Neuropsychological Characteristics with Liability to Schizophrenia and their Errors Correlation Coefficient Characteristics of regions and Error R [+ or -] SR Left subcortical-frontal 0.39 [+ or -] 0.07 Right subcortical-frontal 0.28 [+ or -] 0.08 * p < .05 (see explanation in text).
Integrative neuropsychological characteristics of subcortical-frontal brain regions as a schizophrenia liability factor
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