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Steven L. Johnson

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Publication statistics

Pub. period:1987-2009
Pub. count:4
Number of co-authors:3

Co-authors

Number of publications with 3 favourite co-authors:

Bobby Evans:1
David M. Lewis:1
O. Felix Offodile:1

Productive colleagues

Steven L. Johnson's 3 most productive colleagues in number of publications:

David M. Lewis:2
Bobby Evans:1
O. Felix Offodile:1

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May 22

Knowing (by) Designing 2013

May 27

13th Intl. Conf. on New Interfaces for Musical Expression

May 28

Graphics Interface 2013

May 21

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Steven L. Johnson

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Publications by Steven L. Johnson (bibliography)

2009

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Johnson, Steven L. (2009): Managing Ergonomics Course Projects in Operational Facilities So That Everyone Benefits. In: Proceedings of the Human Factors and Ergonomics Society 53rd Annual Meeting 2009. pp. 479-482.

“This paper presents methods of managing ergonomics course projects at operational facilities at the senior-level of an industrial engineering curriculum. Incorporating external projects into the course provides the students with an opportunity to apply the material that they have learned in class, as well as experience the issues related to applying the concepts in the "real world." This paper discusses the benefits and challenges of conducting external projects. In particular, the methods of selecting projects, assigning groups, documenting progress, presenting results and assigning grades are discussed. Effectively managed projects can be a very beneficial learning experience for the student, as well as provide visibility for the university, department and discipline. In addition, experience has shown that the implementation of the recommendations made by the students can provide significant improvements for the participating companies.”

1993

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Johnson, Steven L. and Evans, Bobby (1993): Tracking Median Nerve Conduction as a Method of Early Detection of Carpal Tunnel Syndrome. In: Proceedings of the Human Factors and Ergonomics Society 37th Annual Meeting 1993. pp. 759-763.

“Cumulative trauma disorders in general, and carpal tunnel syndrome (CTS), in particular, have been an increasingly costly problem for both the afflicted individual and the company that employs that individual. This research involved a longitudinal study of cumulative trauma in six poultry processing plants. The primary objective of this research was to evaluate the potential of a procedure that tracks changes in motor median nerve latencies as a method of early detection of carpal tunnel syndrome. Although there was a statistically significant difference between the average latencies of the non-symptomatic group and the symptomatic group, the use of motor median nerve latencies for predictive diagnostic purposes is definitely questionable. There was no systematic shift in latencies observed as a function of the time that the person had been performing processing tasks which are generally considered to be associated with CTS. A second important result was that the incidence rate of objectively evaluated CTS appears to be far lower than that generally reported in both the popular media and the research literature. Probably the most important conclusion of the study, however, was that the variation within people, over time, independent of exposure, can lead to serious misdiagnosis of CTS. These results and conclusions are very important for both assessing the magnitude of the problem of CTS, as well as questioning the efficacy of one of the most widely used criteria to justify CTS surgery.”

1989

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Johnson, Steven L. and Lewis, David M. (1989): A Psychophysical Study of Two-Person Manual Material Handling Tasks. In: Proceedings of the Human Factors Society 33rd Annual Meeting 1989. pp. 651-653.

“Over the past ten years, there has been extensive work performed on the development of guidelines for manual material handling tasks both within individual companies and within governmental agencies. However, these guidelines address only individual, one-person lifting tasks. In both manufacturing and service industries, there are many team lifting tasks, such as furniture moving and at loading docks. This paper presents the results of a study that used psychophysical methods to investigate lifting tasks that require two workers. In addition to simple lifting tasks, the study also compared one and two-person carrying tasks. The results of the study indicate that subjects' judgments of their lifting capability are significantly greater for the two-person lifts than for the individual lifts. The same relationship was observed for the carrying tasks. These results and conclusions are important to consider when it is necessary to extrapolate from the conditions used in the development of manual material handling guidelines to other situations such as team lift carrying tasks.”

1987

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Johnson, Steven L. and Offodile, O. Felix (1987): Human-Machine Function Allocation in Manufacturing and Assembly Operations. In: Proceedings of the Human Factors Society 31st Annual Meeting 1987. pp. 1141-1143.

“The paper discusses a methodology to allocate functions to people and/or machines based upon the requirements of the tasks to be performed and the capabilities of each system. Although function allocation has been addressed within the human factors community for many years, the approach discussed offers two primary advances in the context of manufacturing and assembly systems. First, the state-of-the-art in automated systems, robotics, flexible manufacturing systems, methods analysis and human factors are integrated into a multi-disciplinary approach. Second, the methodology will provide manufacturing engineers with an easily understood procedure for assigning tasks to the appropriate system on cost/capability basis.”

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