difficulty+scale

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• Scale model — A scale model of the Tower of London. This model can be found inside the tower …   Wikipedia

• Dynamic game difficulty balancing — Dynamic game difficulty balancing, also known as dynamic difficulty adjustment (DDA) or dynamic game balancing (DGB), is the process of automatically changing parameters, scenarios and behaviors in a video game in real time, based on the player s …   Wikipedia

• International Scale of River Difficulty — Class III rapid at Canolfan Tryweryn, Wales. The International Scale of River Difficulty is a standardized scale used to rate the safety of a stretch of river, or a single (sometimes whitewater) rapid. The grade reflects the technical difficulty… …   Wikipedia

• O scale — Australian O gauge model railway O scale (or O gauge) is a scale commonly used for toy trains and model railroading. Originally introduced by German toy manufacturer Märklin around 1900, by the 1930s three rail alternating current O gauge was the …   Wikipedia

• Guttman scale — In statistical surveys conducted by means of structured interviews or questionnaires, a subset of the survey items having binary (e.g., YES or NO) answers forms a Guttman scale (named after Louis Guttman) if they can be ranked in some order so… …   Wikipedia

• Molecular scale electronics — Part of a series of articles on Nanoelectronics Single molecule electronics …   Wikipedia

• Mohs hardness scale and observations on hardness of some additional materials — ▪ Table Mohs hardness scale and observations on hardness of some additional materials mineral Mohs hardness other materials observations on the minerals talc   1 very easily scratched by the fingernail; has a greasy feel gypsum   2 Mohs hardness… …   Universalium

• Z scale — Infobox Model Rail Scale name = Z Scale image filename = image caption = widthpx = scale = ratio = 1:220 gauge = 6.5 mm prototype gauge = Standard gauge|Until the 2006 announcement of T scale, Z scale (1:220) was the smallest commercially… …   Wikipedia

• International Nuclear Event Scale — The International Nuclear and Radiological Event Scale (INES) was introduced in 1990[1] by the International Atomic Energy Agency (IAEA) in order to enable prompt communication of safety significance information in case of nuclear accidents. The… …   Wikipedia

• Positive and Negative Syndrome Scale — The PANSS or the Positive and Negative Syndrome Scale is a medical scale used for measuring symptom severity of patients with schizophrenia. It was published in 1987 by Stanley Kay, Lewis Opler, and Abraham Fiszbein. It is widely used in the… …   Wikipedia

• Danjon scale — Two lunar eclipses in 2003; their ratings on the Danjon Scale would be roughly 2 (left) and 4 (right) The Danjon Scale of lunar eclipse brightness is a five point scale useful for measuring the appearance and luminosity of the Moon during a lunar …   Wikipedia