Yves Guiard, Yangzhou Du, Olivier Chapuis. Quantifying degree of goal directedness in document navigation: application to the evaluation of the perspective-drag technique. 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 327-336, ACM, 2007. [doi]
Abstract is missing.