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Paul J. Silvia, PhD, is an associate professor of psychology at the University of North Carolina at Greensboro, USA.His books include How to Write A Lot: A Practical Guide to Productive Academic Writing (2007) and Exploring the Psychology of Interest (2006). His research has been supported by several grants from the National Institutes of Health, and he received the Berlyne Award, an early career award given by APA Division 10 (Society for the Psychology of Aesthetics, Creativity and the Arts), for his research on interest and curiosity.