This study examined the influence of training on individual differences in time-sharing response strategies for a dual-task. Using early performance measures in a dual-task, subjects were classified on Day 1 as performing in either a simultaneous, alternating, or massed fashion. On Day 2, subjects received training instructions to either upgrade or maintain their particular response strategy. The results indicated that training was successful in the majority of the cases. Close inspection of performance revealed that subjects who were not able to achieve simultaneity had learned the dual-task response pattern, but were responding too slowly.
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