Tessier, Jack T., Nana-Yaw Andoh, Kristin DeForest, Matthew W. Juba, Akira Odani, John J. Padovani, Elizabeth F. Sova, and Lisa M. Tessier. 2014. “A Comparison of Experimental Designs for Assessment and Research in Higher Education”. International Journal of Learning, Teaching and Educational Research 3 (1):14-20. http://www.ijlter.myres.net/index.php/ijlter/article/view/1204.