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Main Title: Operators׳ adaptation to imperfect automation – Impact of miss-prone alarm systems on attention allocation and performance
Author(s): Onnasch, Linda
Ruff, Stefan
Manzey, Dietrich
Type: Article
Abstract: Operators in complex environments are often supported by alarm systems that indicate when to shift attention to certain tasks. As alarms are not perfectly reliable, operators have to select appropriate strategies of attention allocation to compensate for unreliability and to maintain overall performance. This study explores how humans adapt to differing alarm reliabilities. Within a multi-task simulation consisting of a monitoring task and two other concurrent tasks, participants were assigned to one of five groups. In the manual control group none of the tasks was supported by an alarm system, whereas the four experimental groups were supported in the monitoring task by a miss-prone alarm system differing in reliability, i.e. 68.75%, 75%, 87.5%, 93.75%. Compared to the manual control group, all experimental groups benefited from the support by alarms, with best performance for the highest reliability condition. However, for the lowest reliability group the benefit was associated with an increased attentional effort, a more demanding attention allocation strategy, and a declined relative performance in a concurrent task. Results are discussed in the context of recent automation research.
Subject(s): alarm systems
miss-prone automation
attention allocation
adaptive behaviour
Issue Date: 13-May-2014
Date Available: 4-Dec-2020
Language Code: en
DDC Class: 150 Psychologie
Journal Title: International Journal of Human-Computer Studies
Publisher: Elsevier
Volume: 72
Issue: 10-11
Publisher DOI: 10.1016/j.ijhcs.2014.05.001
Page Start: 772
Page End: 782
EISSN: 1095-9300
ISSN: 1071-5819
TU Affiliation(s): Fak. 5 Verkehrs- und Maschinensysteme » Inst. Psychologie und Arbeitswissenschaft » FG Arbeits-, Ingenieur- und Organisationspsychologie
Appears in Collections:Technische Universität Berlin » Publications

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