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The critical incident technique (or CIT) is a set of procedures used for collecting direct observations of human behavior that have critical significance and meet methodically defined criteria. These observations are then kept track of as incidents, which are then used to solve practical problems and develop broad psychological principles.
A criticality accident occurs if the same reaction is achieved unintentionally, for example in an unsafe environment or during reactor maintenance. Though dangerous and frequently lethal to humans within the immediate area, the critical mass formed would not be capable of producing a massive nuclear explosion of the type that fission bombs are ...
John Clemans Flanagan, (January 7, 1906 – April 15, 1996) was a noted psychologist most known for developing the critical incident technique, which identifies and classifies behaviors associated with the success or failure of human activity. [1] He was a pioneer of aviation psychology.
Critical incident stress management (CISM) is a system of support for individuals and groups who have been exposed to trauma. It is a form of psychological first aid . It includes pre-incident preparedness and acute crisis management through post-crisis follow-up.
Radiotherapy accident in Zaragoza, Spain 1990 December Cancer patients receiving radiotherapy; 11 fatalities and 27 patients were injured. [14] 10 Soviet submarine K-431 reactor accident 1985, August 10 Reactor lid and control rods were lifted too far while adjusting position, resulting in criticality excursion. 49 people suffered radiation ...
But Patrick had just left a facility that pushed other solutions. He had gotten a crash course on the tenets of 12-step, the kind of sped-up program that some treatment advocates dismissively refer to as a “30-day wonder.” Staff at the center expected addicts to reach a sort of divine moment but gave them few days and few tools to get there.
As he withdrew his hand, he inadvertently dropped the brick onto the center of the assembly. Since the assembly was nearly in the critical state, the accidental addition of that brick caused the reaction to go immediately into the prompt critical region of neutronic behavior. This resulted in a criticality accident. [6] [7]
The two criticality accidents occurred at the Los Alamos Laboratory in New Mexico on August 21, 1945, and May 21, 1946. In both cases, an experiment was intended to demonstrate how close the core was to criticality with a tamper (layer of dense material surrounding the fissile material). Still, the core was accidentally put into a critical ...