Intelligence Quotient (IQ)is a variable that is measured at which level?
A) nominal.
B) ordinal.
C) interval.
D) ratio.
E) not enough information to decide.

Question

Quizplus · Accepted Answer

IQ is measured on an interval scale, where each point on the scale represents a consistent increment of intelligence ability. This means that the difference between an IQ score of 100 and 110 is the same as the difference between 110 and 120. However, there is no true zero point on the IQ scale, so it cannot be considered a ratio scale.

Intelligence Quotient (IQ)is a Variable That Is Measured at Which