Human Factors

Articles from Vol. 40, No. 4, December

A Comparison of Seven Visual Fatigue Assessment Techniques in Three Data-Acquisition VDT Tasks
INTRODUCTION Visual display terminals (VDTs) can be used to store and convey static and dynamic visual information, and thus they have inevitably become interfaces in both the office and the industrial workplace, However, VDTs have brought with...
Analyzing Communication Sequences for Team Training Needs Assessment
INTRODUCTION The importance of teams in the workplace, and the need to provide effective training for these teams, has emerged as an important research area over the past decade. Although considerable progress has been observed in this area, other...
Context Effects in Subjective Mental Workload Ratings
INTRODUCTION Subjective measures of mental workload increasingly are being used for practical evaluations. Although objective measures of mental workload have considerable theoretical interest (Gopher & Donchin, 1986), subjective measures have...
Effectiveness of Menu Orientation in Chinese
INTRODUCTION In the past two decades user interface design methodology has evolved and developed primarily in English-speaking countries, such as the United States and parts of Europe. The result has been the establishment of principles and guidelines...
Effects of Display Resolution on Visual Performance
INTRODUCTION Office work has been fundamentally changed by the use of computers. Large text and databases can easily be displayed and edited on computer monitors. The flexibility and versatility of computers have removed many limitations of data...
Evaluation of Supermarket Bagging Using a Wrist Motion Monitor
INTRODUCTION Supermarkets are among the industries with the highest number of illness cases for disorders associated with repeated trauma. Supermarkets accounted for 6500 repeated trauma cases in 1994 (U.S. Department of Labor, 1996). Bagging...
Exploring Sequential Data: Commentary on Bowers, Jentsch, Salas, and Braun (1998)
We shall not cease from exploration And the end of all our exploring Will be to arrive where we started And know the place for the first time. - Little Gidding V. Four Quartets. T.S. Eliot (1969) INTRODUCTION Bowers, Jentsch, Salas, &...
How Automatic Is Manual Gear Shifting?
INTRODUCTION In a classic task analysis of the driving task, McKnight and Adams (1970) identified approximately 1500 tasks that a driver must learn to master in order to accomplish most everyday driving tasks. Some of these tasks have to be performed...
Individual Differences in Accident Liability: A Review and Integrative Approach
INTRODUCTION Historical Background to Accident Liability Two important changes in British industrial practices were held responsible for the dramatic increase in accidents in the early part of this century. The first was the increased pressure...
Learning to Play with Other Kids' Toys: A Response to Sanderson and Benda
INTRODUCTION Our original manuscript (Bowers, Jentsch, Salas, & Braun, 1998, this issue) sought to assess the degree to which sequential data analysis techniques might be useful in identifying training needs for teams. The results indicate that...
Measures and Interpretations of Vigilance Performance: Evidence against the Detection Criterion
Editor's note: The following article was the subject of considerable - yet constructive and informative - debate throughout the review process. The reason is that it challenges certain widely accepted assumptions associated with estimates derived from...
Observation versus Hands-On Practice of Complex Skills in Dyadic, Triadic, and Tetradic Training-Teams
INTRODUCTION This study investigated training-team protocols, which Shebilske, Goettl, and Regian (in press) defined as protocols in which trainees practice a task in teams of two or more in order to achieve the goal of performing the task individually....
The Effects of Automated Compensation for Incongruent Axes on Teleoperator Performance
INTRODUCTION The innovative application of teleoperators (as defined by Sheridan, 1991) is being incorporated in many areas, including medical surgery, space station assembly, and offshore oil-rig maintenance. All of these applications of teleoperations...
Three-Dimensional Workspace for Industrial Workstations
INTRODUCTION In an industrial workstation the controls, materials, tools and equipment that require manual operation should be placed in an area that can be reached and operated efficiently and safely by the user population. Small changes in reach...