The U.S. National Longitudinal Survey of Youth showed a small but significant positive correlation between youths' intelligence test scores and their subsequent income levels.
Option: (B)
<u>Explanation:
</u>
The potential and the eligibility to work in the industries of specific knowledge fields are mostly determined by the employers by testing how intelligent the candidate is.
The more intelligent the candidate the more would be his chances of getting employed for a better pay rate.
Thus, there is an observable positive correlation between the youths' intelligence test scores and their subsequent income levels.
