Question

A researcher wants to examine the effect of noise level on reading comprehension. He finds that regardless of the noise level, all participants tested received the maximum scores for their performance. The results may be due to a _____ effect.

Answer 1

Answer: The results may be due to a CEILING EFFECT effect.

Explanation: The ceiling effect is defined as a phenomenon whereby an independent variable (noise level) no longer has an effect on a dependent variable (reading comprehension).