We run two studies to investigate the pragmatic dimension of the discourse involved in probabilistic tasks. The results of the first study indicate that the source of difficulty is related more to the structure of the text than to heuristic factors or the statistical format in which the probabilities are expressed. The results of the second study show that the difficulty of the "Marbles" problem (Johnson-Laird et al., 1999) depends on, again, the pragmatic dimension of the text-problem, and not on the failure to represent false cases nor on the numerosity of mental models.
Macchi, L., Bagassi, M. (2006). Probabilistic Reasoning and Natural Language. In R. Viale, D. Andler, L.A. Hirschfeld (a cura di), Biological and Cultural Bases of Human Inference (pp. 223-240). Lawrence Erlbaum Associates.
Probabilistic Reasoning and Natural Language
MACCHI, LAURA;BAGASSI, MARIA
2006
Abstract
We run two studies to investigate the pragmatic dimension of the discourse involved in probabilistic tasks. The results of the first study indicate that the source of difficulty is related more to the structure of the text than to heuristic factors or the statistical format in which the probabilities are expressed. The results of the second study show that the difficulty of the "Marbles" problem (Johnson-Laird et al., 1999) depends on, again, the pragmatic dimension of the text-problem, and not on the failure to represent false cases nor on the numerosity of mental models.
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