Pronunciation: (in"stru-men'tl-iz"um), [key]
n. Philos.
the variety of pragmatism developed by John Dewey, maintaining that the truth of an idea is determined by its success in the active solution of a problem and that the value of ideas is determined by their function in human experience.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

instrumental conditioninginstrumentalist
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