Agreement between the 3-minute Psychomotor Vigilance Task (PVT) Embedded in a Wrist-worn Device and the Laptop-based PVT
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Authors
Matsangas, Panagiotis
Shattuck, Nita Lewis
Subjects
Advisors
Date of Issue
2018
Date
2018
Publisher
SAGE
Language
Abstract
The study assesses the agreement between the 3-minute version of the Psychomotor Vigilance Task (PVT) with an interstimulus interval (ISI) of 2 to 10 seconds and the validated 3-minute laptop-based PVT (ISI=1-4 seconds). The experiment utilized a randomized, within-subject, repeated-measures design with three factors (PVT device type, the backlight feature of the wrist-worn device, ambient lighting). Results show the differences in reaction times (RT) between devices are incrementally associated with the magnitude of the RTs. These differences tend to be in opposing directions when the backlight feature in the wrist-worn device is on. That is, RTs in the wrist-worn device tend to be faster compared to the laptop for (on average) faster individuals, whereas (on average) slower individuals tend to do better in the laptop compared to the wrist-worn device. The proportional bias introduced by the wrist-worn device compared to the laptop makes it difficult to translate individual RTs between different devices. The proportional bias, however, may work in favor for detecting differences between slow and fast RTs.
Type
Conference Paper
Description
The article of record as published may be found at http://doi.org/10.1177/1541931218621151
Human Factors and Ergonomics Society 2018 Annual Meeting
Human Factors and Ergonomics Society 2018 Annual Meeting
Series/Report No
Department
Operations Research (OR)
Organization
Naval Postgraduate School
Identifiers
NPS Report Number
Sponsors
Funder
Advanced Medical Development Program
Format
5 p.
Citation
Matsangas, Panagiotis, and Nita Lewis Shattuck. "Agreement between the 3-minute Psychomotor Vigilance Task (PVT) Embedded in a Wrist-worn Device and the Laptop-based PVT." Proceedings of the Human Factors and Ergonomics Society Annual Meeting. Vol. 62. No. 1. Sage CA: Los Angeles, CA: SAGE Publications, 2018.
Distribution Statement
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. As such, it is in the public domain, and under the provisions of Title 17, United States Code, Section 105, it may not be copyrighted.