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The main purpose of a hotwash session is to identify strengths and weaknesses of the response to a given event, which then leads to another governmental phase known as "lessons learned." Hotwashes are intended to guide future responses in order to avoid repeating errors made in the past.
Performing a probabilistic risk assessment starts with a set of initiating events that change the state or configuration of the system. [3] An initiating event is an event that starts a reaction, such as the way a spark (initiating event) can start a fire that could lead to other events (intermediate events) such as a tree burning down, and then finally an outcome, for example, the burnt tree ...
Event sampling methodology (ESM) refers to a diary study.ESM is also known as ecological momentary assessment (EMA) or experience sampling methodology.ESM includes sampling methods that allow researchers to study ongoing experiences and events by taking assessments one or more times per day per participant (n=1) in the naturally occurring social environment.
Positive feedback (exacerbating feedback, self-reinforcing feedback) is a process that occurs in a feedback loop which exacerbates the effects of a small disturbance. That is, the effects of a perturbation on a system include an increase in the magnitude of the perturbation. [ 1 ]
A vicious circle (or cycle) is a complex chain of events that reinforces itself through a feedback loop, with detrimental results. [1] It is a system with no tendency toward equilibrium (social, economic, ecological, etc.), at least in the short run. Each iteration of the cycle reinforces the previous one, in an example of positive feedback. A ...
An event study is a statistical method to assess the impact of an event (also referred to as a "treatment"). [1] Early prominent uses of event studies occurred in the field of finance. [1] For example, the announcement of a merger between two business entities can be analyzed to see whether investors believe the merger will create or destroy value.