In some fields (biology, physiology, etc.), the ceiling effect refers to the point at which an independent variable no longer has an effect on a dependent variable, when a kind of saturation has been reached (e.g., the phenomenon in which a drug reaches its maximum effect, so that increasing the drug dosage does not …

What is a ceiling effect and how can it be a problem?

A ceiling effect happens when your questionnaire or test components/problems aren’t hard enough; An artificially low ceiling is created that is easy to achieve. … This results in meaningless test results and pointless retests, because participants have no room for improvement.

What can ceiling effects lead to?

both independent and dependent variables. Ceiling effects can lead to: small variance between groups. … Nonetheless, she suspects that there truly is a causal relationship between her independent and dependent variables.