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Title: Reconstructing experiences with iScale
Authors: Karapanos, Evangelos 
Martens, Jean-Bernard 
Hassenzahl, Marc 
Keywords: User experience evaluation;Retrospective elicitation;Longitudinal methods
Category: Computer and Information Sciences
Field: Natural Sciences
Issue Date: Nov-2012
Publisher: Elsevier Ltd.
Source: International Journal of Human Computer Studies, 2012, Volume 70, Issue 11, Pages 849-865
Journal: International Journal of Human Computer Studies 
Abstract: We present iScale, a survey tool for the retrospective elicitation of longitudinal user experience data. iScale aims to minimize retrospection bias and employs graphing to impose a process during the reconstruction of ones experiences. Two versions, the constructive and the value-account iScale, were motivated by two distinct theories on how people reconstruct emotional experiences from memory. These two versions were tested in two separate studies. Study 1 aimed at providing qualitative insight into the use of iScale and compared its performance to that of free-hand graphing. Study 2 compared the two versions of iScale to free recall, a control condition that does not impose structure on the reconstruction process. Overall, iScale resulted in an increase in the amount, the richness, and the test-retest consistency of recalled information as compared to free recall. These results provide support for the viability of retrospective techniques as a cost-effective alternative to longitudinal studies.
ISSN: 1071-5819
DOI: 10.1016/j.ijhcs.2012.06.004
Rights: © 2012 Elsevier Ltd All rights reserved.
Type: Article
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