Abstract
Data were obtained on the search time required by high school senior boys to find a target in structured, abstract displays presented at three visual noise levels. It was found that the rank ordering of performance on the three noise levels was the same for these 12 Ss as for 22 Navy pilots tested earlier. Also, the students had effectively the same absolute performance as the pilots. This study provided the basis for the decision to use high school senior boys in future laboratory experiments of this type when pilots were not available. Data were also obtained from the 12 Ss on four foveal-acuity tests. The scores on three of the tests showed significant correlation with one another. Scores on the fourth test (Bausch & Lomb checkerboard) did not correlate significantly with scores from any of the other three.
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