The Wonderful Wizard of Oz Wizard's power gives these items a focus for their desires. The Wizard decides to take Dorothy and Toto home and leave the Emerald City. At the send-off, he appoints the Scarecrow to rule in his stead, which he agrees to do after Dorothy returns to Kansas. Toto chases a kitten in the crowd and Dorothy goes after him, but the tethers of the balloon break and the Wizard floats away. Dorothy summons the Winged Monkeys to carry her and Toto home, but they explain they cannot cross the desert surrounding Oz. The Soldier with the Green Whiskers informs Dorothy that
Wizard of Oz experiment Louisiana, United States). CSC ’85. ACM Press, New York, USA, 292-297. Good, M. D., Whiteside, J. A., Wixon, D. R., and Jones, S. J. 1984. Building a user-derived interface. Commun. ACM 27, 10 (Oct. 1984), 1032-1043. Several dozen references here. Wizard of Oz experiment In the field of human–computer interaction, a Wizard of Oz experiment is a research experiment in which subjects interact with a computer system that subjects believe to be autonomous, but which is actually being operated or partially operated by an unseen human being. The phrase "Wizard of Oz" (originally "OZ Paradigm") has come into common usage