Ian Fillmore

Campus Box 1208
1 Brookings Drive
ST. LOUIS, MO 63130
Tel: 314-935-9283

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org
Institutional Affiliation: Washington University in St. Louis

NBER Working Papers and Publications

October 2012The Impact of Time Between Cognitive Tasks on Performance: Evidence from Advanced Placement Exams
with Devin G. Pope: w18436
In many education and work environments, economic agents must perform several mental tasks in a short period of time. As with physical fatigue, it is likely that cognitive fatigue can occur and affect performance if a series of mental tasks are scheduled close together. In this paper, we identify the impact of time between cognitive tasks on performance in a particular context: the taking of Advanced Placement (AP) exams by high-school students. We exploit the fact that AP exam dates change from year to year, so that students who take two subject exams in one year may have a different number of days between the exams than students who take the same two exams in a different year. We find strong evidence that a shorter amount of time between exams is associated with lower scores, particularl...

Published: Economics of Education Review Volume 48, October 2015, Pages 30–40 Cover image The impact of time between cognitive tasks on performance: Evidence from advanced placement exams Devin G. Popea, , , Ian Fillmoreb citation courtesy of

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