title: A frequent misunderstanding associated with point biserial and phi coefficients.
abstract: 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.
authors.affiliation: University of Western Ontario, London, Canada. zcernovs@uwo.ca
authors.forename: Zack Z
authors.initials: ZZ
authors.lastname: Cernovsky
mesh_terms: D003627:Data Interpretation, Statistical; D006801:Humans; D008373:Manuscripts as Topic; D011584:Psychology / Q000706:statistics & numerical data*; D011643:Publishing