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The Good, the Bad, and the Ugly: A Bibliographic Essay on the Corrupted Cone
ARTICLE

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Educational Technology Volume 54, Number 6, ISSN 0013-1962

Abstract

The authors are attempting to set the record straight regarding the sources frequently cited in the literature of the mythical retention chart and the corrupted Dale's Cone. They point out citations that do not actually connect with relevant works; provide correct citations of sources that are often cited erroneously; add references for overlooked works; and examine the stories and works of individuals involved in this controversy. Among the people discussed are: Edgar Dale and the team of Hoban, Hoban, and Zisman, who contributed the original concepts of the Cone of Experience; Frank Dwyer, Paul J. Phillips, and D. G. Treichler, who played roles in popularizing the mythical retention chart; Bruce R. Nyland and James E. Stice, who helped conflate the retention chart with Dale's Cone; as well as Ray Wiman and Wes Meierhenry and William Glasser, innocent bystanders who have been dragged in erroneously.

Citation

Subramony, D.P., Molenda, M., Betrus, A.K. & Thalheimer, W. (2014). The Good, the Bad, and the Ugly: A Bibliographic Essay on the Corrupted Cone. Educational Technology, 54(6), 22-31. Retrieved December 9, 2019 from .

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