“There is data available based on time in school. Tough to comprehend, I know.”
When there are few inarguable datasets (in this case, time and milestones), then those MUST therefore be the ones that are meaningful - right? :)
“When there are few inarguable datasets (in this case, time and milestones), then those MUST therefore be the ones that are meaningful - right?”
There are NO inarguable datasets. Time and milestones are not datasets. Measurements, frequencies, etc. are datasets and those are always arguable - right? :)