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Learner-Centered Design The Challenge For WC1 In The Xst Century Elliot Soloway, Mark Guzdial and Kenneth E. Hay n the 1980 a major transformation s took place in the computing world: attention was finally being paid to making computers easier-to-use. You know the history: in rhe 1970 folks at Xerox were exploring so-called personal computers s and developing graphical, point-and-click interfaces. The goal was to make using computers less cognitively taxing, thereby permitting the user to focus more mental cycles on getting the job done. For some time people had recognized that there would be benefits if users could interact with computers using visual cues and motor movements instead of testual/linguistic strings. However, computer cycles were costly; they could hardly be wasted on supporting a non-textual interface. There was barely enough zorch (i.e., computer power, measured in your favorite unit) to simply calculate the payroll. J k EUIOT SOLOWAY is an AssociateProfasor in the Department of EECS, Universi~ of Michigan, Ann Arbor, MI, email: soloway@umicb.edu ~WETH E. HAYS ic an Assistant Profasor in the School of &&cation at Indiana University &Purdue Univmig, Indianapolis, IN, emaik khay@indyyax.iupui.edu MARKJ. GUIDE is an Asshant Profissoc GeorgiaInstitute of &!mohg,
interactions – Association for Computing Machinery
Published: Apr 1, 1994
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