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  • Title: Testing the representation of time in reference memory in the bisection and the generalization task: the utility of a developmental approach.
    Author: Delgado Mde L, Droit-Volet S.
    Journal: Q J Exp Psychol (Hove); 2007 Jun; 60(6):820-36. PubMed ID: 17514596.
    Abstract:
    This study examined the effect of the variability of representation of durations in reference memory on temporal discrimination performance in children aged 5 and 8 years as well as in adults using a bisection (Experiment 1) and a generalization task (Experiment 2). In each task, the participants were familiarized before the blocks of tested trials with either the same referent duration values (fixed condition) or a distribution of referent duration values, with a mean equal to the referent durations used in the fixed condition and a .20 coefficient of variation (variable condition). The results showed that the sensitivity to duration was lower in the variable than in the fixed condition in the children and, to a lesser extent, in the adults. The modelling of the data indicated that this effect was due to the increase in the variability of the representation of durations in reference memory, but also to changes in the decisional processes.
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