The major concern in designing an experiment to meet the criteria given above was to avoid obtaining ceiling effects.

Such a ceiling effect is often the result of constraints on data-gathering instruments.

Often design of a particular instrument involves tradeoffs between ceiling effects and floor effects.

Their analgesic effectiveness is limited by a dose-related ceiling effect.

This may have to do with a ceiling effect.

That final 90 percent figure is considered a "ceiling effect" beyond which little additional improvement can be expected.

Sometimes drugs cannot be compared across a wide range of treatment situations because one drug has a ceiling effect.

This may be due to a ceiling effect on the fear conditioning parameters used in the study.

Unlike morphine, its respiratory depressant action is subject to a "ceiling" effect.

Their dosing is limited by a ceiling effect, and they have a high risk of adverse effects.