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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 Health Star Rating System (HSR) is an Australian and New Zealand Government initiative that assigns health ratings to packaged foods and beverages. Ratings scale by half star increments between half a star up to five stars, with the higher the rating, the healthier the product.
A Likert scale (/ ˈ l ɪ k ər t / LIK-ərt, [1] [note 1]) is a psychometric scale named after its inventor, American social psychologist Rensis Likert, [2] which is commonly used in research questionnaires.
For example, in a comparison of products, information such as price or weight can be conveyed numerically, and binary information such as the existence or lack of a feature can be conveyed with a check mark; however, information such as "quality" or "safety" or "taste" is often difficult to summarize in a manner allowing easy comparison ...
The US Department of Defense has used the scale for procurement since the early 2000s. By 2008 the scale was also in use at the European Space Agency (ESA). [2] The European Commission advised EU-funded research and innovation projects to adopt the scale in 2010. [1] TRLs were consequently used in 2014 in the EU Horizon 2020 program.
The hedonic scale is a sensory evaluation tool used to measure the degree of pleasure or liking of a product or service. The scale usually consists of 9 levels ranging from 1 to 9, or "dislike extremely" to "like extremely". [1] The hedonic scale is widely used for consumer acceptance testing. [2] [3]
MRLs are quantitative measures used to assess the maturity of a given technology, component or system from a manufacturing perspective. They are used to provide decision makers at all levels with a common understanding of the relative maturity and attendant risks associated with manufacturing technologies, products, and processes being considered.
The Just-About-Right scale (JAR scale), is a sensory evaluation tool used to measure the intensity of a particular attribute or characteristic of a product or service. The JAR scale typically consists of 5 levels ranging from "Much too little" to "Much too much."