Which is NOT an illustration in support of the argument that the intelligence quotient (IQ) score partly reflects the quality of a child's environment?
A) The Flynn effect shows a worldwide rise in IQ scores over the course of a century.
B) After being ill and missing a good deal of school, a child's IQ score may decline.
C) After undergoing life stress, a child's IQ scores may decline.
D) IQ scores normally change a good deal from year to year in a person's life.

Question

Quizplus · Accepted Answer

The fact that IQ scores normally change a good deal from year to year in a person's life does not necessarily support the argument that IQ scores partly reflect the quality of a child's environment. The other options (A, B, and C) provide evidence that environmental factors can affect IQ scores.

Which Is NOT an Illustration in Support of the Argument