Andy Cockburn, Per Ola Kristensson, Jason Alexander, Shumin Zhai. Hard lessons: effort-inducing interfaces benefit spatial learning. In Mary Beth Rosson, David J. Gilmore, editors, Proceedings of the 2007 Conference on Human Factors in Computing Systems, CHI 2007, San Jose, California, USA, April 28 - May 3, 2007. pages 1571-1580, ACM, 2007. [doi]
Abstract is missing.