coefficient of correlation vs biserial correlation coefficient

biserial correlation coefficient vs coefficient of correlation

coefficient of correlation and biserial correlation coefficient both are nouns.

Word	Noun	Adjective	Verb	Adverb
coefficient of correlation	Yes	No	No	No
biserial correlation coefficient	Yes	No	No	No

As nouns, biserial correlation coefficient is a hyponym of coefficient of correlation; that is, biserial correlation coefficient is a word with a more specific, narrower meaning than coefficient of correlation:

coefficient of 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)
biserial correlation coefficient: a correlation coefficient in which one variable is many-valued and the other is dichotomous

Other hyponyms of coefficient of correlation include Pearson product-moment correlation coefficient, product-moment correlation coefficient, multiple correlation coefficient, biserial correlation, chance-half correlation, split-half correlation, tetrachoric correlation, tetrachoric correlation coefficient.

coefficient of correlation (noun)	biserial correlation coefficient (noun)
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)	a correlation coefficient in which one variable is many-valued and the other is dichotomous

Difference between coefficient of correlation and biserial correlation coefficient

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