Which of the Following Examples Best Illustrates the Concept of the Reaction

Multiple Choice

Which of the following examples best illustrates the concept of the reaction range with regard to IQ?

A) A child's IQ score was 150 at age 6 and 155 at age 8.
B) A child's IQ test result could range from 100 to 125 points.
C) A child's IQ test result could range from 130 to 135 points.
D) A child's IQ score was 125, and when she tested after an illness the score was 115.