Eye-Movement Analysis of Search Effectiveness


Advances in eye-tracking technology have promoted its widespread use to understand and improve target search in psychology, industrial engineering, human factors, medical diagnostics, and marketing. Eye movements are the realization of a complex unobserved spatiotemporal attention process with many sources of variation.

Eye-tracking data often have been aggregated and/or summarized descriptively, few adequate statistical models being available for their analysis. This article proposes a model that may serve to uncover the latent attention processes of people searching for targets in complex scenes. It recognizes the spatial nature of eye movements and represents two latent attention states: a localization and an identification state, between which people may switch over time according to a Markov process. […]

Eye tracking and usability research: an introduction to the special issue


Undoubtedly, there is a great potential for the eye movement research community with the ECEM as face-to-face platform and the JEMR as open access journal to bridge the gap between basic knowledge and experimen-tal procedures, on the one hand, and the idiosyncratic requirements for a successful application of eye tracking, on the other. The current special issue of the journal is a representative – though non exhaustive – selection of recent studies that attempt to reach exactly this goal, i.e. bringing expertise in eye movement research to appli-cation domains. […]