Ceiling effect (statistics)
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{The ceiling effect is one type of scale attenuation effect; the other scale attenuation effect is the floor effect.
How does it work?[edit | edit source]
- The ceiling effect is observed when an independent variable no longer has an effect on a dependent variable, or the level above which variance in an independent variable is no longer measurable.
- The specific application varies slightly in differentiating between two areas of use for this term: pharmacological or statistical.
- An example of use in the first area, a ceiling effect in treatment, is pain relief by some kinds of analgesic drugs, which have no further effect on pain above a particular dosage level (see also: ceiling effect in pharmacology).
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