In this paper, we present a review of how the various aspects of any study using an eye
tracker (such as the instrument, methodology, environment, participant, etc.) affect the quality …

Eye-tracking is widely used throughout the scientific community, from vision science and
psycholinguistics to marketing and human-computer interaction. Surprisingly, there is little …

In this article, we discuss operationalizations and examples of experimental design in eye-
tracking research. First, we distinguish direct operationalization for entities like saccades …

The quantitative assessment of eye tracking data quality is critical for ensuring accuracy and
precision of gaze position measurements. However, researchers often report the eye …

Smart head-worn or head-mounted devices, including smart glasses and Virtual Reality
(VR) headsets, are gaining popularity. Online shop** and in-app purchase from such …

A binocular eye tracker needs to be accurate to enable the determination of vergence,
distance to the binocular fixation point and fixation disparity. These measures are useful in …

Most modern video eye trackers use the p-CR (pupil minus CR) technique to deal with small
relative movements between the eye tracker camera and the eye. We question whether the …

Following the growing popularity of social commerce sites, there is an increased interest in
understanding how consumers decide what products to purchase based on the available …

Human fixational eye movements are so small and precise that high-speed, accurate tools
are needed to fully reveal their properties and functional roles. Where the fixated image …

There is a dichotomy in instrumental conditioning between goal-directed actions and habits
that are distinguishable on the basis of their relative sensitivity to changes in outcome value …