Cognitive ability is the strongest single predictor of job performance and career success across virtually all occupations.
Higher processing speed, working memory capacity, and ability to learn complex information quickly.
Higher IQ enables faster learning of new skills, better problem-solving, more effective handling of complexity, and adaptation to changing job demands. Effect strongest for complex jobs.
Top performers in cognitively demanding fields (science, law, medicine) reliably score higher on cognitive tests.
IQ isn't everything—conscientiousness, emotional intelligence, and domain expertise also matter greatly. Build multiple forms of capital.
Stop guessing if you have High IQ. Get a definitive score in 4 minutes.