The length-difficulty relationship in compound trial-and-error learning.
- 1 January 1957
- journal article
- Published by American Psychological Association (APA) in Journal of Experimental Psychology
- Vol. 54 (4) , 246-252
- https://doi.org/10.1037/h0040334
Abstract
Response probability curves under four conditions of task length were skewed and S-shaped. Each curve originated at a value consistent with the initial chance solubility of the problem. The inflection points were a direct function of task length and the acquisition rates varied inversely. Errors were independent of serial position but found permutation by position interactions. Discussion is in terms of Thurstone's length-difficulty function and the Kjerstad-Robinson law. (PsycINFO Database Record (c) 2006 APA, all rights reserved)Keywords
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