نتایج جستجو برای: situation awareness sa

تعداد نتایج: 266337  

2000
Mica R. Endsley Michelle M. Robertson

Need for Situation Awareness Training in Aviation In the aviation domain, maintaining a high level of situation awareness is one of the most critical and challenging features of a pilot’s job. Problems with SA were found to be the leading causal factor in a review of military aviation mishaps (Hartel, Smith, & Prince, 1991). In a study of accidents among major airlines, 88% of those involving h...

2003
Caroline G.L. Cao

Disorientation is common for endoscopists performing colonoscopy. The objectives of this study were to examine how endoscopists acquire and maintain spatial awareness or situation awareness (SA), and how SA varies as a function of available perceptual cues, and as a function of the different segments of the colon. Retrospective analysis of verbal protocols from 11 colonoscopy procedures was con...

2006
Han Tin French

The impact of access to information through advanced information and communication technology was assessed in a study involving the Ground-Based Air Defence Command Post (GBAD CP). At present the GBAD CP obtains information about aircraft and their movements by HF radio. In the study, digital data was directly transmitted to the GBAD CP. Its effect on the situation awareness (SA) of the Command...

1998
Jonathan M. Nicholas Albert Futernik

Much of the information carried on a SINCGARS data network is perishable position reports from friendly units. These Situation Awareness (SA) messages must be delivered in a timely manner or discarded in favor of more recent information. However, non-perishable information must not be discarded due to the presence of SA messages. As a result, Situation Awareness messages must be kept in a separ...

2013
Yasir Javed Tony Norris

Successful decision making and task execution in emergency management require appropriate levels of situation awareness (SA). This paper proposes an ontology-based model for the design of a computer-based system, Situation Aware Vigilant Emergency Reasoner (SAVER) that supports the individual, shared and team SA of managers in emergency situations. SAVER is evaluated in simulated experiments th...

2015
MOHSEN NADERPOUR JIE LU

Situation awareness (SA) is a critical factor for human decision making and performance in dynamic environments. Actually SA is a mental model of the current state of the environment and includes many types of complex systems such as safety supervisory systems. The current paper employs two focus areas including neural network and expert system for maintaining SA in a safety supervisory system....

Journal: :Human factors 2000
Debra G. Jones Mica R. Endsley

Errors in situation awareness (SA) can degrade the decision process. One particularly troublesome SA error is the representational error, which reflects problems with the misinterpretation of information based on a person's current mental model of a situation. This study investigates whether the schema-relatedness of information affects the likelihood that a person will fall prey to a represent...

2007
Jens Alfredson

Linköping University Differences in situational awareness and how to manage them in development of complex systems Abstract What's up, Doc? Situational awareness (SA) is about being aware of what is going on. Already when a complex system is developed there is an opportunity to help a future user of the system to form a better SA. Let us make the best out of this opportunity! When assessing SA,...

2001
Mark L. Hanson Olga Sullivan Karen A. Harper

Future conflicts may involve composite striker packages composed of manned and unmanned air vehicles (UAVs) supervised by mission controllers. Since situation awareness (SA) contributes to and is a crucial part of mission success, significant effort is now being placed on developing new technologies that have the potential of increasing SA for the mission controller. This paper describes the de...

Journal: :Ergonomics 2014
Nathan Lau Greg A Jamieson Gyrd Skraaning

UNLABELLED Query- or probe-based situation awareness (SA) measures sometimes rely on process experts to evaluate operator actions and system states when used in representative settings. This introduces variability of human judgement into the measurements that require inter-rater reliability assessment. However, the literature neglects inter-rater reliability of query/probe-based SA measures. We...

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