A study in man-machine interaction
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TL;DR
The results support the somewhat surprising conclusion that doubling the display rate from 1200 to 2400 baud produces no significant performance or attitude changes; increasing the variability of the output display rate produces both significantly decreased user performance and a poorer attitude towards system and interactive environment.
Abstract
The performance of users in man-machine interaction (MMI) is described in terms of a number of user- and machine-oriented parameters. The general linear model for experimental design is used as a model of the interaction. Performance measures are selected and a questionnaire developed to gauge user attitudes toward the man-machine system (MMS) and its environment. The interface parameters selected are hypothesized to have a significant effect on the performance and attitude measures.
