Imagine That, Over College Break, You Get into a Discussion

Imagine that, over college break, you get into a discussion with one of your friend's parents concerning IQ tests. This person does not believe in IQ tests and they argue that IQ tests for children are meaningless because children are continually learning new information. For example, an IQ test taken at the beginning of the school year would not be relevant at the end of the school year because the child would be able to correctly answer more questions. Briefly present a rebuttal to their arguments.