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The Hare and the Tortoise: Emphasizing Speed Can Change the Evidence Used to Make Decisions
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Rae, Babette; Heathcote, Andrew; Donkin, Chris; Averell, Lee; Brown, Scott – Journal of Experimental Psychology: Learning, Memory, and Cognition, 2014
Decision-makers effortlessly balance the need for urgency against the need for caution. Theoretical and neurophysiological accounts have explained this tradeoff solely in terms of the "quantity" of evidence required to trigger a decision (the "threshold"). This explanation has also been used as a benchmark test for evaluating…
Descriptors: Decision Making Skills, Reaction Time, Evidence, Accuracy
Stimulus Type, Level of Categorization, and Spatial-Frequencies Utilization: Implications for Perceptual Categorization Hierarchies
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Harel, Assaf; Bentin, Shlomo – Journal of Experimental Psychology: Human Perception and Performance, 2009
The type of visual information needed for categorizing faces and nonface objects was investigated by manipulating spatial frequency scales available in the image during a category verification task addressing basic and subordinate levels. Spatial filtering had opposite effects on faces and airplanes that were modulated by categorization level. The…
Descriptors: Classification, Cognitive Processes, Spatial Ability, Visual Perception
Enhancement of the Visual Efficiency of Minimally-Sighted Visually Handicapped Children.
Harvey, Donald James – CORE: Collected Original Resources in Education, 1978
Practice in interpreting the critical features of incomplete line drawings and integrating fragmentary visual information was shown to enhance the visual efficiency of partially sighted children, aged 5 to 8. (BW)
Descriptors: Early Childhood Education, Foreign Countries, Partial Vision, Perception Tests