> there is no such thing as achieving results unless you can prove it That’s not true. Things happen regardless of whether or not they happen within the guidel

> there is no such thing as achieving results unless you can prove it That’s not true. Things happen regardless of whether or not they happen within the guidelines of a scientifically designed/valid study. Students are getting better. Was that correlation or causation? I’m not going to force students to have a mediocre experience to prove it.