Why Is the Range Effect Known as a "Ceiling Effect

question 35

Multiple Choice

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.