Abstract
Abstract : A factorial experiment was designed to determine whether a negative exponential target detection model was adequate for describing the detection of moving human targets by stationary observers, and whether the observer's detection behavior was affected by target speed, target-to-observer range, or the terrain in which the target appeared. Ninety Army enlisted men detected moving human targets in three different types of terrain. Analysis showed that the negative exponential model did not adequately describe the men's detection behavior, but that target speed, target-to-observer range, and the terrain in which the target appeared significantly affected their detection times.
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