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Eye Tracking Methodology: Theory and Practice for Researchers

Russell Mitchell

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Eye tracking is a powerful research tool that allows researchers to measure the movements of a person's eyes. This information can be used to study a variety of topics, including attention, perception, memory, learning, and decision-making.

In this article, we will provide an overview of eye tracking methodology, including the different types of eye trackers, the different methods for analyzing eye tracking data, and the different applications of eye tracking in research.

Eye Tracking Methodology: Theory and Practice

by Andrew T. Duchowski

5 out of 5

Language	:	English
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Types of Eye Trackers

There are two main types of eye trackers: remote and head-mounted.

* Remote eye trackers are positioned at a distance from the participant, typically on a desk or table. They use a camera to record the movements of the participant's eyes. * Head-mounted eye trackers are worn on the participant's head, like a pair of glasses. They use a tiny camera to record the movements of the participant's eyes.

Head-mounted eye trackers are more portable and less intrusive than remote eye trackers, but they can be more expensive.

Methods for Analyzing Eye Tracking Data

There are a variety of methods for analyzing eye tracking data. The most common methods include:

* Fixation analysis: This method involves identifying the points in time at which the participant fixated on a particular object or area of the screen. * Saccade analysis: This method involves identifying the rapid eye movements that occur when the participant shifts their gaze from one object to another. * Pupil dilation analysis: This method involves measuring the changes in the diameter of the pupil. Pupil dilation can be an indicator of cognitive load, attention, and emotion.

Applications of Eye Tracking in Research

Eye tracking has been used in a wide variety of research studies, including studies of:

* Attention: Eye tracking can be used to measure the allocation of attention to different objects or areas of the scene. * Perception: Eye tracking can be used to study how people perceive and interpret visual information. * Memory: Eye tracking can be used to study how people encode, store, and retrieve information from memory. * Learning: Eye tracking can be used to study how people learn new information. * Decision-making: Eye tracking can be used to study how people make decisions.

Eye tracking is a powerful research tool that can provide valuable insights into a variety of cognitive processes. In this article, we have provided an overview of eye tracking methodology, including the different types of eye trackers, the different methods for analyzing eye tracking data, and the different applications of eye tracking in research.

We encourage researchers to consider using eye tracking in their own studies. Eye tracking can be a valuable tool for understanding the cognitive processes that underlie human behavior.

Eye Tracking Methodology: Theory and Practice

by Andrew T. Duchowski

5 out of 5