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The "optimal viewing distance" [5] is based on the limits of the human eye, i.e. its angle of resolution. This is its ability to distinguish between two pixels. For normal visual acuity (6/6 vision), this angle is 1 arcmin. To obtain a fixed distance for a given resolution, it must be expressed in picture heights (H). [5]
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 .
A rating system can be any kind of rating applied to a certain application domain. They are often created using a rating scale. Examples include:
The South Korean television rating system has been in force since 2000, and it started with only four classifications which were All, 7, 13 and 19. In February 2001, all programmes except domestic dramas (which had been enforced since November 2002) has required to have a rating system. In 2007, the 13 rating was replaced with 12 and the 15 ...
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The PASER scale is a 1-10 rating system for road pavement condition developed by the University of Wisconsin-Madison Transportation Information Center. PASER uses visual inspection to evaluate pavement surface conditions. When assessed correctly, PASER ratings provide a basis for comparing the quality of roadway segments. [1]
A scale ruler is a tool for measuring lengths and transferring measurements at a fixed ratio of length; two common examples are an architect's scale and engineer's scale.In scientific and engineering terminology, a device to measure linear distance and create proportional linear measurements is called a scale.
For road running events, result score deductions will apply if the overall net drop in elevation of the course exceeds one metre per kilometre of the race distance (e.g. a downhill of over 10 m for a 10K run). Where the net drop exceeds this ratio, then a deduction of 0.6 points will apply for each 0.1 m drop per kilometre, for example ...