How word decoding skill impacts text memory: The centrality deficit and how domain knowledge can compensate |
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| Authors: | Amanda C Miller Janice M Keenan |
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| Institution: | (1) Department of Psychology, University of Denver, Denver, CO 80208, USA |
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| Abstract: | We examined text memory in children with word reading deficits to determine how these difficulties impact representations
of text meaning. We show that even though children with poor word decoding recall more central than peripheral information,
they show a significantly bigger deficit relative to controls on central than on peripheral information. We call this the
centrality deficit and argue that it is the consequence of insufficient cognitive resources for connecting ideas together due to these children’s
resources being diverted from comprehension to word decoding. We investigated a possible compensatory mechanism for making
these connections. Because a text representation is a synthesis of text information and a reader’s prior knowledge, we hypothesized
that having knowledge of the passage topic might reduce or eliminate the centrality deficit. Our results support this knowledge
compensation hypothesis: The centrality deficit was evident when poor readers did not have prior knowledge, but was eliminated
when they did. This presents an exciting avenue to pursue for possible remediation of reading comprehension in children with
word identification difficulties. |
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