Yes arguing from your own ignorance is not the most reliable way to convince someone of something.<p>In regards intelligence it is the only thing other than work tests that has been shown to have any major correlation with job performance.<p>Edit. This paper make for a great read on this topic.<p>1. <a href="https:&#x2F;&#x2F;www.researchgate.net&#x2F;publication&#x2F;227600464_Stubborn_Reliance_on_Intuition_and_Subjectivity_in_Employee_Selection" rel="nofollow">https:&#x2F;&#x2F;www.researchgate.net&#x2F;publication&#x2F;227600464_Stubborn_...</a>