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A five-level scale for rating quality. Absolute Category Rating (ACR) is a test method used in quality tests. [1] [2] The levels of the scale are, sorted by quality in decreasing order: Excellent; Good; Fair; Poor; Bad; In this method, a single test condition (generally an image or a video sequence) is presented to the viewers once only.
ACR-HR (Absolute Category Rating with Hidden Reference): a variation of ACR, in which an original unimpaired source sequence is shown in addition to the impaired sequences, without informing the subjects of its presence (hence, "hidden"). The ratings are calculated as differential scores between the reference and the impaired versions.
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".
A rating scale is a set of categories designed to obtain information about a quantitative or a qualitative attribute. In the social sciences , particularly psychology , common examples are the Likert response scale and 0-10 rating scales, where a person selects the number that reflecting the perceived quality of a product .
The ratings are done in a distributed fashion through parameters in the {{WikiProject Wikipedia}} banner; this causes the articles to be placed in the appropriate sub-categories of Category:Wikipedia articles by quality and Category:Wikipedia articles by importance, which serves as the foundation for an automatically generated worklist.
Absolute Category Rating, a subjective quality test method; Acumulador de Carga Rápida, a battery electric tram system; Adobe Camera Raw, a raw image file converter; Advanced CANDU reactor, a nuclear reactor; Advanced Communications Riser, a PC slot format; Advanced Contrast Ratio or Dynamic Contrast in an LCD display
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Terman chose the category names for score levels on the Stanford–Binet test. When he first chose classification for score levels, he relied partly on the usage of earlier authors who wrote, before the existence of IQ tests, on topics such as individuals unable to care for themselves in independent adult life.