Does studying improve your IQ?

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5 Experts Answer: Can Your IQ Change?

Richard Nisbett, professor of psychology at the University of Michigan:

Yes, your IQ can change over time. But [IQ] tests give you the same answer to a very substantial extent, even over a period of year. The older you are, the more stable your test score will be.

Kevin McGrew, director of the Institute for Applied Psychometrics, visiting professor in Educational Psychology at the University of Minnesota

It depends. First I think it is important to distinguish between at least three different meanings of the word intelligence. There is biological intelligence, or what is typically defined as neural efficiency. Then there's psychometric intelligence – your measured IQ score – which is an indirect and imperfect method of estimating biological intelligence.

Stephen Ceci, professor of developmental psychology at Cornell University:

Absolutely. And there's plenty of evidence documenting this.

An article in November in the journal Nature by Price and her colleagues is one example. It had 33 adolescents, who were 12- to 16-years-old when the study started. Price and her team gave them IQ tests, tracked them for four years, and then gave them IQ tests again.

Jack Naglieri, research professor at University of Virginia:

The answer to this question, like many others, depends on a number of factors. If you look at the research where they've made people smarter (i.e. improved their IQs), what they're really doing is to make people function better.

Alan S. Kaufman, clinical professor of psychology at the Yale University School of Medicine:

There's no such thing as "an" IQ. You have an IQ at a given point in time. That IQ has built-in error. It's not like stepping on a scale to determine how much you weigh.[1]

Footnotes

[1] 5 Experts Answer: Can Your IQ Change?