The phrase "to prove the methods" means to demonstrate or show that the techniques or approaches being used are effective, reliable, or valid. Full definition
So it was important to anchor the evaluation instrument in something that had a track record of proven methods of improvement as far as teaching and learning. (marzanocenter.com)
We have also examined ways to use scientifically proven methods for overcoming the forgetting curve and help learners retain more of the most important information. (elearningindustry.com)
There is a better way: Staying within scope of practice while adopting a coaching philosophy that uses proven methods of behavior change. (ideafit.com)