Read Bryan Goodwin's and Kristin Rouleau's full article Research Matters/Grading to Encourage Re-Learning at:
www.ascd.org/publications/educational_leadership/s…
A five-year study involving nine teachers and 1,400 middle school students found that giving students frequent, ungraded quizzes significantly increased their retention of learning. Bryan Goodwin breaks down the cognitive science behind this and offers tips on how you can use quizzing to boost your students’ confidence in their ability to recall and apply new knowledge.
McREL International