A frequent misunderstanding associated with point biserial and phi coefficients.
The label "Pearson r" is legitimately used both for the standard Pearson r calculated on continuous variables and for its other varieties in the form of the point biserial or the phi coefficient. This fact is often ignored by psychologists and psychiatrists.
Cernovsky
Zack Z
ZZ
University of Western Ontario, London, Canada. zcernovs@uwo.ca
D003627:Data Interpretation, Statistical; D006801:Humans; D008373:Manuscripts as Topic; D011584:Psychology / Q000706:statistics & numerical data*; D011643:Publishing