The Wizard of Oz (2011 musical) ministers ("You Went to See the Wizard"). Just before the balloon flies off, Toto runs into the crowd, and Dorothy retrieves him, missing her ride; she is seemingly stranded in Oz. Glinda appears to tell her that she and Toto had the power to return home all along ("Already Home"). After saying goodbye to her friends, Dorothy clicks her heels together three times, chanting "There’s No Place Like Home". Back in Kansas, Aunt Em and Uncle Henry tell Dorothy that she hit her head and had been unconscious for days. Dorothy insists her adventure in Oz was real, not a
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