A computer-generated configuration of three lines joined like hands on a clockface were perceived by 10 of 12 observers as having depth when the lines simultaneously changed in length and direction, thereby supporting Wallach, Adams, and Weisz's 1956 hypothesis regarding the necessary and sufficient conditions for a perceived kinetic depth effect
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References
1.
WallachH.AdamsP., & WeiszA.Circles and derived figures in rotation. American Journal of Psychology, 1956, 69, 48–59.
