IQ test or construct "intelligence" overrated?

Dear community,

I actually wanted to include this question in one of my answers, but I thought it might spark a good discussion. First of all: references to studies, online articles, books, and especially interesting ideas are extremely welcome!

Now, a little background information on the question: You often hear from sites like quora.com, from people (e.g., Jordan B. Peterson), and from internet articles that IQ tests are the best predictors for criteria like school grades, job success, etc. However, you have to consider the correlations of 0.3 to 0.6 . Ergo, IQ explains 9% (3 × 3) to 36% (6 × 6) of the variance in these criteria .

I assume IQ is a good predictor, due to the extensive research and, consequently, the many studies that confirm this relationship between the quotient and the criteria , unlike perhaps other constructs (e.g., the Big 5). However, the low level of variance explained remains evident. Other factors—alone or in combination—may be more important than IQ .

Hence the questions:

So, is IQ or intelligence (assuming IQ is a good representation of it) overrated ? Is this the case at the level of evidence or at the level of variance explanation, or both? Are there other aspects that should be considered?

PS: I apologize for any spelling or grammatical errors in this text. And if anyone comes along and says they're not intelligent because of this, I expect a meta-study or a very good, large study that confirms a correlation of r>0.2. I would be very interested in seeing it!

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PaulSmart
1 year ago

When you deal with emotional intelligence, you have another direction on the subject of intelligence.

The problem is that it is a matter of opinion, the question: ‘What is intelligence?’

PaulSmart
1 year ago

I recommend the book ‘E Q Emotional Intelligence’ by Daniel Goleman. His statement is, what does a high IQ use if the emotional intelligence is missing?

PaulSmart
1 year ago

What one should also consider for the IQ is the curiosity. I have the impression that curiosity / want to enrich yourself with knowledge is an essential indication of intelligence.

PaulSmart
1 year ago

I only go to books I’ve read, like that