1 Motivation 2 Load packages 3 Some data 4 Research question 5 Regression with unstandardized input variables 6 Standardize input variables 7 Regression with standardized input variables 8 The models (lm1 and lm2) are identical 9 Interpretation of a standardized regression coefficient 10 Reproducibility 1 Motivation Running a regression in R yields unstandardized coefficients, not standardized ones. However, as is spelled out by eg., Gelman and Hill (2007), standardizing values is of advantages in many …