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 measurement are almost certain to decrease.

Question

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 measurement are almost certain   to decrease.

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 makes it difficult to determine the effectiveness of interventions or treatments aimed at improving performance or outcomes.

Why Is the Range Effect Known as a "Ceiling Effect