This scale is based on one used by the Intergovernmental Panel on Climate Change, modified in light of some recent research on its effectiveness.
This ADL scale is based on how each patient performed 'usual activities', which may change from one patient to another according to their lifestyle and environment.
As has been seen, the geologic time scale is based on stratified rock assemblages that contain a fossil record.
This time scale is based on cesium atomic clock data gathered through a data network of about 50 laboratories around the world, including NIST's.
The chronometric scale is based on specific units of duration and on the numerical ages that are assigned to the aforementioned chronostratigraphic boundaries.
The widely used American Petroleum Institute (API) gravity scale is based on pure water, with an arbitrarily assigned API gravity of 10°.
(The Balling scale is based on the percentage of malt sugar before fermentation, and many Czech beer drinkers specify a number — "10," "12" or "13" — when ordering. Higher Balling numbers usually mean more alcohol, though not always).
Scale is based on powers of 1000.
The Mohs scale is based on a scratch test, i.e., on observing which materials can scratch others.
This scale is based on the concept of hypo- and hyperdopaminergic mood and behavior.
In many contexts, this scale is based on the likelihood of an event (Karttunen and Peters 1979; Krifka 1999: 1).
