~ working memory spans differ in individuums

Individuals with low complex working memory spans are more susceptible to various forms of long-term memory interference than those with high complex working memory spans (Conway & Engle, 1996; Kane & Engle, 2000; Rosen & Engle, 1997, 1998). Kane and Engle (2000) compared the performance of low-span (bottom 25%) and high span (top 25%) individuals with regard to the buildup of proactive interference. Both groups recalled approximately 60% of memory items from the first trial. However, as memory trials progressed, low span individuals showed greater amount of proactive interference

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