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by Douglas Medin (Northwestern University); Brian H. Ross (Univ. of Illinois); Arthur B. Markman (Univ. of Texas)
by Morris Hein (Mount San Antonio College); Susan Arena (University of Illinois, Urbana-Champaign)
by David Sansone (University of Illinois at Urbana-Champaign, Urbana, IL, USA)
by Wellesley R. Foshay (PLATO Learning); Kenneth H. Silber (Silber Performance Consulting); Michael Stelnicki (Governors State Univ., University Park, Illinois)
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by Morris Hein (Mount San Antonio College); Judith N. Peisen (Hagerstown Community College); James M. Ritchey; et al.