Volume 6, Number 6, Abstract 859, Page 859a doi:10.1167/6.6.859 http://journalofvision.org/6/6/859/ ISSN 1534-7362
Does energy expenditure affect the perception of egocentric distance? A failure to replicate Experiment 1 of Proffitt, Stefanucci, and Epstein (2003)
Jeffrey J. Hutchison
Brown University, Department of Cognitive Science
[e-mail]
Jack M. Loomis
Univeristy of California, Santa Barbara Department of Psychology
Abstract

In a series of recent studies, Proffitt and his colleagues have reported that the perceived distance to a target is influenced by the energy expenditure associated with any action, such as walking or throwing, for spanning the distance to the target. In particular, Proffitt, Stefanucci, Banton, and Epstein (2003) reported that wearing a heavy backpack caused verbal reports of distance to increase. We conducted a study to determine whether three responses dependent on perceived distance (verbal report of distance, blind walking, and estimates of object size) are influenced by the backpack manipulation. In two experiments, one involving a between-participants design and the other involving a within-participants design, we found that none of the three responses were influenced by the wearing of a heavy backpack.

History
Received March 23, 2006; published June 1, 2006
Citation
Hutchison, J. J., & Loomis, J. M. (2006). Does energy expenditure affect the perception of egocentric distance? A failure to replicate Experiment 1 of Proffitt, Stefanucci, and Epstein (2003) [Abstract]. Journal of Vision, 6(6):859, 859a, http://journalofvision.org/6/6/859/, doi:10.1167/6.6.859.
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