biserial correlation coefficient


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biserial correlation coefficient

[¦bī¦sir·ē·əl ‚kär·ə′lā·shən ‚kō·ə‚fish·ənt]
(statistics)
A measure of the relationship between two qualities, one of which is a measurable random variable and the other a variable which is dichotomous, classified according to the presence or absence of an attribute; not a product moment correlation coefficient.