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PROJECT SUBIC. SHIP CONTROL VIII. SINGLE-ELEMENT VS. TWO-ELEMENT DISPLAY IN TWO-DIMENSIONAL TRACKING
GENERAL DYNAMICS CORP GROTON CONN ELECTRIC BOAT DIV
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Sixty male Naval officers and petty officers, ten in each of six experimental conditions, were required to control a simulated submarine, simultaneously, in course and depth. Performance using a single-element display was compared with performance using a two-element display. The results indicate that performance is better when course and depth errors are combined into a single indicator than when there is a separate indicator for each. The superiority of the single-element display was demonstrated with each of three different control configurations. The average performance with the single-element display was from 11.2 to 15.3 more accurate in maintaining course and from 6.7 to 14.4 more accurate in maintaining depth than average performance with the two-element display using the same control. Author
APPROVED FOR PUBLIC RELEASE