Can crowdworkers be used to rate the quality of ultrasound images?

Amanda Ashdown, Mark W. Scerbo, Barry J. Knapp, Felicia Toreno, Craig Goodmurphy, Don Byars

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The present study examined whether inexperienced individuals can evaluate ultrasonography (US) images using a new rating scale and visual AIDS. A US image assessment tool and visual AIDS in the form of alignable comparison standards (one good and one poor example) were developed to rate images of the hepatorenal interface along eight characteristics. Twenty novice participants from Amazon.com's Mechanical Turk service used the visual AIDS to evaluate 42 US images in good and poor categories. The results revealed that crowdworkers could distinguish the good from poor US images. Their ratings were highly and positively correlated with those of experts. However, the crowdworkers' ratings were more severe than those of the experts. These results suggest that inexperienced individuals can use a rating scale and visual AIDS to reliably distinguish good from poor US images but may require a more extensive set of visual cues or additional training to match ratings provide by experts.

Original languageEnglish (US)
Title of host publication62nd Human Factors and Ergonomics Society Annual Meeting, HFES 2018
PublisherHuman Factors and Ergonomics Society Inc.
Pages595-599
Number of pages5
ISBN (Electronic)9781510889538
StatePublished - 2018
Event62nd Human Factors and Ergonomics Society Annual Meeting, HFES 2018 - Philadelphia, United States
Duration: Oct 1 2018Oct 5 2018

Publication series

NameProceedings of the Human Factors and Ergonomics Society
Volume1
ISSN (Print)1071-1813

Conference

Conference62nd Human Factors and Ergonomics Society Annual Meeting, HFES 2018
Country/TerritoryUnited States
CityPhiladelphia
Period10/1/1810/5/18

All Science Journal Classification (ASJC) codes

  • Human Factors and Ergonomics

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