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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Exploring Feedback Mode Redundancy in Handheld Scanning Tasks

Copeland, Elizabeth 14 August 2015 (has links)
This study was conducted to determine whether or not combining feedback modes resulted in improved operator performance, given a specific task and environment. A common industrial handheld scanner with multiple feedback settings was used to assess four experimental feedback conditions (auditory, auditory-visual, auditory-tactile, and auditory-visual-tactile) during simulated box scanning tasks. Participants completed four-50 box trials in a single test session where boxes were scanned and located based on the feedback provided regarding the scan. Task completion time and ranks, hit rate and false alarms were recorded. While the auditory-visual-tactile feedback combination produced the fastest performance time, there was no statistically significant improvement in operator performance between the four feedback settings tested. By understanding the most important feedback modes, or combination of such, identification of the best scanner settings for this device and task can be made.

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