Phonological similarity effects without a phonological store: an individual differences model
Beaman, C.P., Neath, I. and Surprenant, A.M. (2007) Phonological similarity effects without a phonological store: an individual differences model. In: 29th Annual Conference of the Cognitive Science Society , Nashville, Tennessee, USA, pp. 89-94.
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The feature model of immediate memory (Nairne, 1990) is applied to an experiment testing individual differences in phonological confusions amongst a group (N=100) of participants performing a verbal memory test. By simulating the performance of an equivalent number of “pseudo-participants” the model fits both the mean performance and the variability within the group. Experimental data show that high-performing individuals are significantly more likely to demonstrate phonological confusions than low performance individuals and this is also true of the model, despite the model’s lack of either an explicit phonological store or a performance-linked strategy shift away from phonological storage. It is concluded that a dedicated phonological store is not necessary to explain the basic phonological confusion effect, and the reduction in such an effect can also be explained without requiring a change in encoding or rehearsal strategy or the deployment of a different storage buffer.
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