Propositional reasoning and working memory: the role of prior training and pragmatic content.
Working memory involvement in propositional reasoning was explored after different kinds of training. The training conditions aimed to reduce the impact of non-analytic heuristics and to enhance analytic inference processes according to mental logic theories, the mental model theory, and the theory of pragmatic reasoning schemata. Following an initial training phase, secondary task interference was investigated using concurrent spatial tapping (Experiment 1), random number generation (Experiment 2), and articulatory suppression (Experiment 3). A training condition practicing the construction and use of mental models via a truth table task increased the disruption of reasoning performance by random number generation and articulatory suppression, whereas the other training conditions did not affect susceptibility to secondary task interference. The results corroborate implications of the mental model theory of reasoning.
School of Psychology, Cardiff University, UK. thorsten.meiser@uni-jena.de
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D000328:Adult; D001288:Attention; D005260:Female; D006801:Humans; D008128:Logic; D008297:Male; D008570:Memory, Short-Term; D011340:Problem Solving; D013067:Speech Perception