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ceiling effect

   Also found in: Wikipedia 0.03 sec.
ceiling effect [′sēl·iŋ i‚fekt]
(psychology)
In testing, the actual limitation on a person's test score as the maximum score is approached or the limit on the performance of some task.
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It is possible that tiotropium was unable to further reduce this decline due to a ceiling effect (ie, medications can only reduce the rate of decline to a certain amount since there is a basal rate of decline in [FEV.
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64 Subscale and Item Mean [+ or -] SD Floor Ceiling Effect Effect N (%) N (%) Orientation 10.
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This may be due to information redundancy or a ceiling effect where a firm with a reputation for outstanding quality is unable to signal higher quality since it is already a quality leader.
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