A ceiling effect is said to occur when
A)there is one main effect, but not two
B)performance is very high for one group, but just average for a second group
C)performance is so close to perfect for both groups that any true difference between them is obscured
D)everyone participating is the experiment performs better than they ever have before

Question

Quizplus · Accepted Answer

A ceiling effect occurs when the performance of participants is so high that it masks any potential differences between groups, making it difficult to detect any true effects or differences.

A Ceiling Effect Is Said to Occur When