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Robert A. Wisher

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Publications by Robert A. Wisher (bibliography)

2001

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Wisher, Robert A., Abramson, L. Jared and Dees, James J. (2001): The Effectiveness of an Intelligent Tutoring System for Rocket Training. In: ICALT 2001 2001. pp. 335-338.

1992

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Wisher, Robert A. (1992): The Role of Complexity on Retention of Psychomotor and Procedural Skills. In: Proceedings of the Human Factors Society 36th Annual Meeting 1992. pp. 1171-1175.

“This paper describes the relative effects of task complexity on the retention of a skill over prolonged periods of non use. The paper focuses on the decay of skills and knowledges of the 20,000 reservists called up for active duty during Operation Desert Storm. Reservists were tested upon reentry to determine the extent of skill decay since their release, up to one year, from active. These data were analyzed with multiple regression and analysis of variance techniques. The major findings were: (a) procedural skills and knowledge about Army jobs decayed mostly within six months, but psychomotor skills (weapons qualifications) did not begin decay until ten months; and (b) previous skill qualification score was the best predictor of skill decay followed by aptitude score.”

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Fisher, Donald L., Wisher, Robert A., Townsend, James T. and Sabol, Mark A. (1992): Simulation and Analysis of Perceptual-Motor Skill Training. In: Proceedings of the Human Factors Society 36th Annual Meeting 1992. pp. 1264-1268.

“This paper examines the application of order-or-processing networks to the simulation of performance of a complex skill, the copying of high-speed Morse code. A sequence of processing stages and memory buffers is described that is presumed, on the basis of earlier work, to represent the task. Two models of this sequence, distinguished by their assumptions regarding concurrent processing of characters, are also presented. Simulations were run on these models to find the parameters that yielded the best fit to performance data from 19 students undergoing the early stages of military Morse code training. The implications of the results to an analysis of early performance and the potential benefits of applying the same technique to data obtained from students late in training are discussed.”

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