Compensating for a Limited Working Memory Capacity During Reading: Evidence from Eye Movements

Abstract

Although working memory capacity is an important contributor to reading comprehension performance, it is not the only contributor. Studies have shown that epistemic knowledge (or knowledge about knowledge and learning) is related to comprehension success and may enable low-span readers to compensate for their limited resources. By comparing the eye movements of epistemically mature versus epistemically naïve low-span readers, this study provided evidence for how the compensation occurs. Metacognitively mature low-span readers spent more time engaged in selective backtracking to unfamiliar and task-relevant text information. These selective look-backs would have reinstated the difficult and important information into working memory, thereby allowing these readers to offset some of the disadvantages of a limited temporary storage capacity.

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