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Jose Sepulveda

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Publications by Jose Sepulveda (bibliography)

1995

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Stanney, Kay M., Guckenberger, Dutch and Sepulveda, Jose (1995): Re-Examining the Model Human Processor: Enhancing Human Performance via Increased Temporal Task Demands. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. p. 938.

“Most current theories of software design and human-computer interaction neglect time flexibility as a means of adapting the machine rate of information presentation to the human. This is despite the fact that the Model Human Processor (MHP), which was developed to support cognitive engineering of human-computer interface designs, provides parameters for human information processing which recognize time flexibility. An experiment was thus conducted to assess the effects of above real-time training (ARTT) on the parameters of the Model Human Processor (i.e., the perceptual, cognitive, and motor processors). It was suggested that the performance enhancements known to be attained via ARTT, as compared to real-time training, may be due to a speeding up of human information processing. More specifically, such training may force subjects to initiate associative links in long-term memory faster by acting on partial information rather than waiting the additional time for a full image to develop. Subjects in an ARTT group performed a scribble exercise both before and after playing a highly interactive, fast-paced video game. Subjects in a control group performed the scribble exercise before and after a period of rest. The results indicated that the ARTT group made significantly more closed loop (perceptual + cognitive + motor) commands after the video interaction than before; while no such significant difference was detected for the control group. The ARTT group's processing time decreased from approximately 300 msec/correction before the video exercise to approximately 240 msec/correction after the exercise. By requiring subjects to process and react to information quickly, the fast-paced video training thus increased the ARTT group's”

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