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Memory Markers and the Subjective Duration of Experience – consumer recall of the duration of rich and impoverished experiences in cognitive psychology

Online marketing has evolved from selling products to creating engaging experiences for consumers. New research shows that how long these experiences seem to last, however, depends on how rich the experience and time of recall (Ahn, Liu, and Soman 2009). The “memory marker” model helps explain this phenomenon and the time distortion that some people experience during and after immersive online flow experiences. Web developers need to balance the need to create rich online experiences with tolerable download times and scant distractions.

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Book Preview: Information Foraging Theory – boost information scent and predict web navigation

Most books on human-computer interaction (HCI) and usability give recommendations based on empirical research, guidelines fit to observed user behavior, and cognitive models after the fact. Peter Pirolli, the father of information foraging theory, has written a new book that models and predicts what users will do before they navigate a website. Using mathematical models of human behavior, Pirolli lays out the foundation of information foraging theory, a relatively new field based in part on optimal foraging theory in animals (Stephens & Krebs 1986). The result is a seminal work in Oxford University Press’ series on Human-Computer Interaction. We were fortunate to review a proof of Pirolli’s new book Information Foraging Theory: Adaptive Interaction with Information, due out April 2007.

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