Why is the range effect known as a "ceiling effect" a problem for researchers?
A) The scores are already so high that there is no chance of measuring improvement.
B) The scores are already so low that there is no chance of measuring a decrease.
C) There is so much room for improvement that the measurements are almost certain to increase.
D) There is so much room for lower performance that the measurements are almost certain to decrease.

Question

Quizplus · Accepted Answer

The range effect known as a "ceiling effect" is a problem for researchers because the scores are already so high that there is no chance of measuring improvement. This can make it difficult to assess the effectiveness of interventions or treatments, as the measurements are unlikely to change even if the intervention is effective.

Why Is the Range Effect Known as a "Ceiling Effect