the inability of a test to measure or discriminate below a certain point, usually because its items are too difficult. Compare ceiling effect.
FLOOR EFFECT: "The floor effect is a test measure that won't go below a certain point."
Cite this page: N., Sam M.S., "FLOOR EFFECT," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/floor-effect/ (accessed March 23, 2023).
