Publication statistics

Pub. period:1987-1989
Pub. count:4
Number of co-authors:6



Co-authors

Number of publications with 3 favourite co-authors:

Regina M. Harris:3
Alvah C. Bittner:2
James C. Byers:1

 

 

Productive colleagues

Helene P. Iavecchia's 3 most productive colleagues in number of publications:

Alvah C. Bittner:13
James C. Byers:9
Regina M. Harris:5
 
 
 

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Helene P. Iavecchia

 

Publications by Helene P. Iavecchia (bibliography)

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1989
 
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Iavecchia, Helene P. and Harris, Regina M. (1989): Global Task Management as Implemented in HOS-IV. In: Proceedings of the Human Factors Society 33rd Annual Meeting 1989. pp. 101-104.

The Human Operator Simulator (HOS-IV) is a general purpose simulation tool. It can be used to simulate the dynamic interactions of the environment, the hardware/software system, as well as the operator. HOS-IV provides time and accuracy data for a core set of cognitive, perceptual, and psychomotor processes. The focus of this paper is the HOS-IV mechanism that is used to simulate global task management. A sample application that demonstrates HOS-IV task management is also presented.

© All rights reserved Iavecchia and Harris and/or Human Factors Society

 
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Iavecchia, Helene P., Linton, Paul M., Bittner, Alvah C. and Byers, James C. (1989): Operator Workload in the UH-60A Black Hawk: Crew Results vs. TAWL Model Predictions. In: Proceedings of the Human Factors Society 33rd Annual Meeting 1989. pp. 1481-1485.

An empirical study was undertaken to collect real-time workload estimates of pilots and copilots performing a resupply mission in a UH-60A flight simulator. Overall and peak workload (OW and PW) ratings were collected for twelve mission segments. These ratings were compared with OW and PW values predicted by the Task Analysis/Workload (TAWL) simulation model. High correlations were found between TAWL-based predictions and crew results for OW (r = 0.82 to 0.95; p < .01). Lower correlations were found for PW (r = 0.62; p < .05).

© All rights reserved Iavecchia et al. and/or Human Factors Society

1988
 
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Harris, Regina M., Iavecchia, Helene P. and Bittner, Alvah C. (1988): Everything You Always Wanted to Know about HOS Micromodels but Were Afraid to Ask. In: Proceedings of the Human Factors Society 32nd Annual Meeting 1988. pp. 1051-1055.

HOS-IV is a general purpose simulation tool for modeling human operators, systems and the environment. To build a simulation, inputs to the model typically include descriptions of the system design, procedures for using the system, human operator characteristics, and a mission scenario. A set of operator micromodels are available to the HOS user to assist in the development of the simulation. These micromodels contain algorithms, based on experimental literature, that can predict the timing and accuracy of basic human cognitive, perceptual, and psychomotor actions. This paper describes the current set of human performance models available in HOS-IV as well as micromodels planned for development.

© All rights reserved Harris et al. and/or Human Factors Society

1987
 
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Harris, Regina M., Iavecchia, Helene P., Ross, Lorna V. and Shaffer, Steven C. (1987): Microcomputer Human Operator Simulator (HOS-IV). In: Proceedings of the Human Factors Society 31st Annual Meeting 1987. pp. 1179-1183.

This paper describes the 4th-generation model of the Human Operator Simulator (HOS-IV) as implemented on an IBM PC AT microcomputer. HOS is a general purpose simulation tool for modeling the cognitive, perceptual, and motor activities of an operator who is performing a set of tasks during the course of a mission. HOS provides the capability to model the hardware system and the external environment which impact operator workload and system performance. Discussed are the new features of HOS-IV including the user-oriented interface, knowledge representation scheme, and enhanced modeling capabilities.

© All rights reserved Harris et al. and/or Human Factors Society

 
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