Human Factors

Articles from Vol. 42, No. 1, Spring

A Framework for Epistemological Analysis in Empirical (Laboratory and Field) Studies
In their search for generalizable behavioral patterns and design principles, cognitive field researchers should reflect on the epistemological limitations of empirical studies. In this paper we describe a framework for epistemological analysis that...
Cognitive Task Analysis and Innovation of Training: The Case of Structured Troubleshooting
Troubleshooting is often a time-consuming and difficult activity. The question of how the training of novice technicians can be improved was the starting point of the research described in this article. A cognitive task analysis was carried out consisting...
Contending with Complexity: Developing and Using a Scaled World in Applied Cognitive Research
Scaled worlds preserve certain functional relationships of a complex task environment while paring away others. The functional relationships preserved are defined by the questions of interest to the researcher. Different scaled worlds of the same task...
Factors Influencing Analysis of Complex Cognitive Tasks: A Framework and Example from Industrial Process Control
We propose that considering four categories of task factors can facilitate knowledge elicitation efforts in the analysis of complex cognitive tasks: materials, strategies, knowledge characteristics, and goals. A study was conducted to examine the effects...
Measuring Team Knowledge
Ren[acute{e}e J. Stout Multioperator tasks often require complex cognitive processing at the team level. Many team cognitive processes, such as situation assessment and coordination, are thought to rely on team knowledge. Team knowledge is multifaceted...
Studying Cognitive Systems in Context: Preface to the Special Section
MULTIPLE PURPOSES, MULTIPLE HISTORIES, MULTIPLE THREADS Intellectually and historically, many lines of development have intertwined and contributed to the current interest in field research on cognitive and collaborative activity across multiple...
There Is More to Monitoring a Nuclear Power Plant Than Meets the Eye
A fundamental challenge in studying cognitive systems in context is how to move from the specific work setting studied to a more general understanding of distributed cognitive work and how to support it. We present a series of cognitive field studies...
The Utility of Event-Based Knowledge Elicitation
Ren[acute{e}]e J. Stout The purpose of this investigation was to describe and evaluate an event-based knowledge elicitation technique. With this approach experts are provided with deliberate and controlled job situations, allowing investigation...
Visual Display Height
We examined the influence of backrest inclination and vergence demand on the posture and gaze angle that workers adopt to view visual targets placed in different vertical locations. In the study, 12 participants viewed a small video monitor placed...
Warning Research: An Integrative Perspective
We developed an integrative perspective on the empirical evidence supporting the influence of particular variables on the warning process based on a broad review of the warning literature. The warning process is described in terms of the following...
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