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Schwartz, Steven H.; Fattaleh, Daniel L. – Journal of Experimental Psychology, 1972
Main findings of a previous study are confirmed in that the matrix mode of representation, as actually used by Ss, again leads to significantly better performance on all problems except those where information was presented in terms of negative statements. (Authors)
Descriptors: Cognitive Processes, Deduction, Performance Factors, Problem Sets
Hodge, Milton H.; Pennington, Florrie M. – Journal of Experimental Psychology, 1973
Three experiments are described which were designed to explore the usefulness of the three principles of abbreviation and to examine the effects of certain stimulus variables. (Authors/CB)
Descriptors: Abbreviations, Construction (Process), Language Usage, Letters (Alphabet)
