If we think about effect size here. If an intervention has no effect, then the mean and SD of the groups would be similar, if not the same. Therefore, if I gave you 100 test scores and asked which group they came from, you'd have a 50/50 chance of getting it right. But....🧵 #UKEd #SciTeachUK
add a skeleton here at some point
about 1 year ago