This isn’t even a little surprising: Testing Improves Retention–Even of Material Not on Exam:
Teachers who give tests on a daily or weekly basis–often at the expense of their popularity–can take solace in a new study out of Washington University in St. Louis. Researchers found that tests help students remember what they’ve been taught–including the material that doesn’t appear on the exam. The findings appear in the November issue of the Journal of Experimental Psychology: General.
Coming up (at some point): A critique of the study.
