Here’s an article from the BPS Research digest which describes how researchers explored the testing effect in learning.
“Answering prequestions may be a simple and effective way to boost your learning from videos and perhaps short lectures too” – and from reading texts, I bet! I know, it all seems a bit obvious to us ELT teachers, but it’s still nice to have scientific evidence for what we were assuming all along. Also, it might help deal with those doubting Thomases in the classroom…