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《Ecological Psychology》2013,25(3):269-280
This article describes a portion of a study of cognition in the wild that was conducted to investigate how human operators of nuclear power plants monitor the state of the plant to detect abnormalities. Although the study was originally motivated by applied concerns, it surprisingly led to evidence relevant to basic theories of perception. The findings reveal that the instruments in the control room that operators can use for monitoring are both fallible and limited in their informativeness, thereby occasionally providing an inaccurate indication of plant status. As a result, operators sometimes leave the control room to directly observe components in the plant using their unaided perceptual systems. Because such information is lawfully constrained and not mediated by instruments, it provides a rich, reliable, and therefore, unique and highly valued indication of the true status of the environment. These findings show that Gibson's (1979/1986) distinction between directed and mediated perception is both pragmatically and psychologically relevant. The results also have very important implications for experiments on direct perception based on computer-simulated, rather than lawfully constrained, experimental stimuli. 相似文献
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Sharon Arffa 《Suicide & life-threatening behavior》1983,13(2):109-122
This article reviews the literature related to studies measuring various cognitive properties in suicidal patients. It provides a structural framework with which to classify the studies, and employs the categories of suicidal logic, cognitive style, social cognition, and cognitive control. The methodological issues discussed include: sample characteristics, operational definitions of suicidal behaviors, use of appropriate control groups, and the temporal nature of assessment. Improvements in experimental design are suggested for use in future research. 相似文献
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