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Mean opinion score (MOS) is a measure used in the domain of Quality of Experience and telecommunications engineering, representing overall quality of a stimulus or system. It is the arithmetic mean over all individual "values on a predefined scale that a subject assigns to his opinion of the performance of a system quality". [ 1 ]
According to Ewen Montagu, John Godfrey devised this system when he was director of the Naval Intelligence Division (N.I.D.) around the time of World War II. [5] The system employed by the United States Armed Forces rates the reliability of the source as well as the information. The source reliability is rated between A (history of complete ...
The goal-free evaluator attempts to observe and measure all actual outcomes, effects, or impacts, intended or unintended, all without being cued to the program's intentions.As Popham analogizes, "As you can learn from any baseball pitcher who has set out in the first inning to pitch a shutout, the game's final score is the thing that counts ...
The Information Technology Security Evaluation Criteria (ITSEC) is a structured set of criteria for evaluating computer security within products and systems. The ITSEC was first published in May 1990 in France , Germany , the Netherlands , and the United Kingdom based on existing work in their respective countries.
The meaning of these parameters is the following: when the difference is smaller than the indifference threshold it is considered as negligible by the decision maker. Therefore, the corresponding unicriterion preference degree is equal to zero. If the difference exceeds the preference threshold it is considered to be significant.
Comparative effectiveness research (CER) is the direct comparison of existing health care interventions to determine which work best for which patients and which pose the greatest benefits and harms. The core question of comparative effectiveness research is which treatment works best, for whom, and under what circumstances. [ 1 ]
In the Print/export section select Download as PDF. The rendering engine starts and a dialog appears to show the rendering progress. When rendering is complete, the dialog shows "The document file has been generated. Download the file to your computer." Click the download link to open the PDF in your selected PDF viewer.
System Architecture Evolution (SAE) is the core network architecture of mobile communications protocol group 3GPP's LTE wireless communication standard.. SAE is the evolution of the GPRS Core Network, but with a simplified architecture; an all-IP Network (AIPN); support for higher throughput and lower latency radio access networks (RANs); and support for, and mobility between, multiple ...