Magnitude Based Inference in R and SAS

Updated on: 2020-05-05 Introduction There have been a number of criticisms of “magnitude-based inferences” (Batterham and Hopkins 2006) which is a unique approach to statistics in the sport and exercise science community. As an author of the mbir package (Peterson and Caldwell 2019), I have been watching this all develop closely. What is clear from the criticisms is that MBI has some fatal flaws directly related to the sample size estimations and the interpretations of the probabilities that the MBI spreadsheets provide (Lohse et al.