title: Abstract: The Normal-Theory and Asymptotic Distribution-Free Covariance Matrix of Standardized Regression Coefficients.
authors.affiliation: a University of Minnesota-Twin Cities.
authors.forename: Jeff A
authors.initials: JA
authors.lastname: Jones
authors.affiliation: a University of Minnesota-Twin Cities.
authors.forename: Niels G
authors.initials: NG
authors.lastname: Waller