Construct · 4 fields · 5 citations
One name. Different field. Different construct. One map.
● jingle · one name, four constructs Nearest construct by meaningawarenesscompare the meaningsEvery construct on the map is compared with every other by the meaning of its definitions, and the closest one is surfaced here. The nearest construct to situation awareness is awareness.
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The perception of the elements in the environment within a volume of time and space, the comprehension of their meaning, and the projection of their status in the near future, which is Endsley's 1995 three-level definition and the one most cited across aviation and human factors. Level 1 is perceiving the relevant cues, Level 2 is understanding what they mean for the operator's goals, and Level 3 is projecting how the situation will develop. Endsley locates situation awareness inside one person as a state of knowledge, held distinct from the processes that produce it and from the decisions that follow it. The state is dynamic and can degrade, which is why Endsley studied the out-of-the-loop performance decrement that follows automation. On this account situation awareness is an individual cognitive product that can be measured against ground truth.[1]
Adaptive, externally directed consciousness, which is Smith and Hancock's 1995 alternative to treating situation awareness as a stored product. Writing in the same issue of Human Factors as Endsley, Smith and Hancock drew on Neisser's perceptual cycle to argue that awareness is not a snapshot held in the head but the continuous engagement of an agent with its environment: the world informs a schema, the schema directs action, and the action samples the world again. Situation awareness on this view is the invariant that keeps the cycle adaptive and directed toward what matters, not a level of knowledge to be read out at a freeze. The disagreement with Endsley is ontological, since Smith and Hancock deny that the product can be separated from the process that sustains it. Measuring awareness by interrupting the task and asking what the operator knew, on their account, mistakes the residue for the phenomenon.[2]
A property held by a socio-technical system of people and artifacts rather than by any single mind, which is the distributed situation awareness that Stanton and colleagues developed in 2006. On their account the elements of awareness are spread across human operators, instruments, documents, and displays, and the system is aware to the extent that the right information is held in the right place and passed between agents when the task needs it. Stanton and colleagues model this with propositional networks in which awareness is a network of linked information elements, and they argue that two operators need not share the same picture, only compatible pieces that the task connects. The construct is deliberately not reducible to the sum of individual awareness, so aggregating operators' SAGAT scores does not measure it. What differs from Endsley is the location of the construct: a system property, not a state inside one person.[3]
The anesthesiologist's awareness of subtle cues, evolving events, and special knowledge during a case, which Gaba, Howard, and Small mapped onto situation awareness in 1995 by importing the aviation construct into the operating room. Gaba and colleagues treated awareness as an individual clinician's dynamic model of the patient and the equipment, embedded in a wider cycle of decision making under time pressure, and argued that lapses in it explain a large share of preventable anesthetic mishaps. The referent stays individual and cognitive, close to Endsley's meaning, but the domain supplies its own cues, its own failure modes such as fixation and production pressure, and its own remedy in simulation-based training. Citing aviation performance findings to justify the clinical construct assumes a transfer across domains that Gaba and colleagues proposed rather than demonstrated. The word is the same; the task, the cues, and the evidence are not.[4]
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