Two experiments examined the response times with which the direction of relative motion could be inferred from tactical 'line of sight' diagrams, static displays of target and own ship motion used in solving submarine fire control and navigation problems. In the first experiment, 12 experienced right-handed naval officers responded more rapidly to displays depicting target motion to the right than to the left, but 12 inexperienced officers, and six left-handers, did not. Overall response times for experienced and inexperienced officers were not reliably different, and practice at the task improved the decision making speed of both groups. The experienced officers, however, performed with consistently greater accuracy. For all groups, one of the three tactical geometries yielded about one-third longer response times than the others. This was the 'overlead' situation, in which own ship's speed across the line of sight exceeds that of the target. In the second experiment the effect of decision strategy on this 'tactic' effect was evaluated with a group of 18 naive subjects. Control of strategy through instruction and order of problem presentation did not reduce the longer response times for overleads, but it did reduce the right-left directional bias related to target motion that was noted in the first experiment.
Judgments of Relative Motion in Tactical Displays
1981
26 pages
Report
No indication
English
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