D. Roland Thomas

On Variable Importance in Linear Regression

D. R. Thomas, B. Zumbo, E. Hughes, 1998 .

Difference Scores From the Point of View of Reliability and Repeated-Measures ANOVA

D. R. Thomas, B. Zumbo, D. Roland Thomas, 2012 .

On Johnson's (2000) Relative Weights Method for Assessing Variable Importance: A Reanalysis

Bruno D Zumbo, Ernest Kwan, D Roland Thomas, 2014, Multivariate behavioral research.