Thanks for the video and references! The video really shows the value of marking menu. An earlier conparison of pie vs linear menu was made, that you might know about, Kaleem, and I post it as reference purposes.
CALLAHAN J., HOPKINS D., WEISER M., SHNEIDERMAN B. (1988). « An empirical comparison of pie vs. linear menus », Proceedings of the SIGCHI conference on Human factors in computing systems, Washington, D. C., p. 95-100. Note that it's an early study on pie menus and does not yet mention the fact of using marks for selection. In addition to this, I post references to other studies involving radial and marking menu: BORITZ J., BOOTH K. S., COWAN W. B. (1991). « Fitts's law studies of directional mouse movement. » Proceedings of Graphics interface '91, Canadian Information Processing Society, p. 216-223. ZHAO S., BALAKRISHNAN R. (2004). « Simple vs. compound mark hierarchical marking menus », Proceedings of the 17th annual ACM symposium on User interface software and technology, Santa Fe, NM, 10 p. Regards, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Posted from the new ixda.org http://www.ixda.org/discuss?post=34967
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