| Sumario: | Although engagement in cognitively-demanding activities is beneficial for older adults, research suggests that older adults may be less motivated to engage in these types of activities because of the increased age-related costs associated with task engagement and their perceptions of the task demands. Across three studies, we investigated if older adults' subjective age predicted their perceptions of effort over the course of a working memory task. Younger and older adults reported their subjective age and then completed an increasingly difficult series of working memory trials, indicating perceived task demands and effort after each trial. Results from all three studies showed that there was no age difference in performance or in perceptions of task difficulty, contrary to previous results. Also, there was no significant association between older adults' subjective age and perceived effort, suggesting that subjective age may not be a reliable predictor of perceptions of task demands in older adults. Participant characteristics and the testing environment may play a role in determining the relationship between subjective age and perceived effort.
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