A new model of verbal short-term memory

Journal/Book: J Exp Child Psychol. 2000; 75: 525 B St, Ste 1900, San Diego, CA 92101-4495, USA. Academic Press Inc. 191-227.

Abstract: Two experiments tested a neo-Piagetian model of verbal short-term memory and compared it with the articulatory loop model. Experiment 1 (n = 113, age range 9-11) tested word span for 2-, 3-, and 4-syllable words, with both visual and auditory presentation. Experiment 2 (with the same participants) tested recall of visually presented supraspan lists. Measures of M capacity (as conceived in Pascual-Leone's neo-Piagetian theory) and articulation rate were also used. The proposed model can account for the effects of M capacity, word length, and presentation modality. The fit of this model to the data was acceptable, and parameter estimates were consistent across experiments. Furthermore, a correlation was found between M capacity and word span which resisted partialling out of age and articulation rate.

Note: Article Morra S, DISA, Sez Psicol, Vico S Antonio 5-7, I-16126 Genoa, ITALY

Keyword(s): short-term memory; model; neo-Piagetian; visual presentation; auditory presentation; word length; M capacity; goodness of fit; IMMEDIATE SERIAL-RECALL; WORKING-MEMORY; WORD-LENGTH; ARTICULATORY LOOP; INDIVIDUAL-DIFFERENCES; COGNITIVE-DEVELOPMENT; SPEECH RATE; SPAN; CAPACITY; REHEARSAL

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