The Wonderful Wizard of Oz (1910 film) West, who does not appear in the musical. In Kansas, Dorothy and Imogene the cow are chased by a mule, and the farmhands draw their muskets at the beast. Dorothy runs off to their field and discovers that the family scarecrow is alive. The Scarecrow begins to notice a storm building up and hurries the Mule, the Cow, Toto and Dorothy behind a haystack. A tornado appears overhead and carries the haystack away, thus letting it fall into the Land of Oz. In Oz, The Wizard in the Emerald City declares that he is retiring from being the ruler and
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