Disabled and normal readers made lexical decisions to orally presented pairs of letter strings. Half of the word-word pairs were semantically related while the other half of the pairs were semantically unrelated. A significant group by relatedness interaction was observed; disabled readers showed a nonsignificant relatedness effect and normal readers showed a significant relatedness effect. Results suggest that disabled readers have difficulty in making available the full range of semantic cues when processing stimuli in an acoustic form, supporting a verbal-processing deficit hypothesis of reading disability.
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