Journal of Educational Psychology Test-Enhanced Learning in a Middle School Science Classroom: The Effects of Quiz Frequency and Placement Mark A. McDaniel, Pooja K. Agarwal, Barbie J. Huelser, Kathleen B. McDermott, and Henry L. Roediger, III Online First Publication, February 21, 2011. doi: 10.1037/a0021782 CITATION McDaniel, M. A., Agarwal, P. K., Huelser, B. J., McDermott, K. B., & Roediger, H. L., III (2011, February 21). Test-Enhanced Learning in a Middle School Science Classroom: The Effects of Quiz Frequency and Placement. Journal of Educational Psychology. Advance online publication. doi: 10.1037/a0021782