PSY Academic achievement is linked to this bold and confident sign. People who are confident in their intellectual abilities tend to have a higher IQ, a study finds. Those who have confidence bordering on arrogance do better in academic tests.

Academic achievement is linked to this bold and confident sign.

People who are confident in their intellectual abilities tend to have a higher IQ, a study finds.

Those who have confidence bordering on arrogance do better in academic tests.