Originally Posted by
Alexander Rix
Instead of displaying the distribution of the data (or quantiles or whatever) , the authors list the raw data ordered. So I don't know how these graphs are meaningful. They also don't provide a an estimate of measurement error which is bound to be substantial in exercise science studies.
In general, talking about what causes the variance in a sample requires its own set of statistical analysis and theorizing on why that might be. One cannot simply posit physiological reasons to explain to variance and then conclude people need signifigently individualized programming