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The NASA Task Load Index (NASA-TLX) is a widely used, [1] subjective, multidimensional assessment tool that rates perceived workload in order to assess a task, system, or team's effectiveness or other aspects of performance (task loading).
Moderate confidence generally means credibly sourced and plausible information, but not of sufficient quality or corroboration to warrant a higher level of confidence. [ 1 ] Low confidence generally means questionable or implausible information was used, the information is too fragmented or poorly corroborated to make solid analytic inferences ...
The Admiralty System or NATO System is a method for evaluating collected items of intelligence. [1] The system comprises a two-character notation assessing the reliability of the source and the assessed level of confidence on the information.
These levels often appear in employment postings for Defense related jobs and other jobs involving substantial amounts of responsibility, such as air traffic control or nuclear energy positions. The different organizations in the United States Federal Government use different terminology and lettering. Security clearances can be issued by many ...
These levels were modified to account for the uncertainty in quality factors and space dosimetry. [1] [20] [25] The uncertainties that were considered in evaluating the 95% confidence levels are the uncertainties in: Human epidemiology data, including uncertainties in statistics limitations of epidemiology data; dosimetry of exposed cohorts
The National Intelligence Council's recommendations described the use of a WEP paradigm (table 2) in combination with an assessment of confidence levels ("high, moderate, low") based on the scope and quality supporting information:
In the social sciences, a result may be considered statistically significant if its confidence level is of the order of a two-sigma effect (95%), while in particle physics and astrophysics, there is a convention of requiring statistical significance of a five-sigma effect (99.99994% confidence) to qualify as a discovery. [3]
Technology readiness levels were conceived at NASA in 1974 and formally defined in 1989. The original definition included seven levels, but in the 1990s NASA adopted the nine-level scale that subsequently gained widespread acceptance. [14] Original NASA TRL Definitions (1989) [15] Level 1 – Basic Principles Observed and Reported