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Research


Current research

My research primarily concerns mathematical cognition, specifically the role of working memory and executive control in mathematical cognition. In my dissertation, I am investigating the role of working memory in people's fraction strategies. Experiment 1 (now completed) used an open-ended questioning approach to determine what types of strategies people tend to use when they are asked to mentally compare the size of two fractions. The data reveals reaction time differences between computational strategies (such as common denominators or cross multiplication) and concept-based strategies (such as benchmarking). However, it is not clear if these differences are due to the CHOICE of strategy or the EXECUTION of the selected strategy. Experiment 2 will use the choice/no-choice methodology to investigate the roles of phonological and visuo-spatial working memory within these strategy types.

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