How does IQ affect career choice and success? Explore what research says about intelligence, job performance, income, and why IQ alone doesn’t determine your career path.
IQ by Education Level explores the relationship between schooling stages and cognitive ability, supported by educational psychology and empirical research findings.
Discover how average IQ by age group works, why scores stay at 100, and what actually changes in your brain. Does IQ really stay the same as we get older?
Discover how IQ testing shapes modern education. Learn how schools use IQ scores to identify gifted students, diagnose learning challenges, and design personalized learning plans.
Learn what validity and reliability mean in IQ testing. Discover whether IQ tests truly measure intelligence or simply mirror social and cultural context.
Alfred Binet created the first modern IQ test in 1905 with Théodore Simon. Learn why it was built, how it works, and how Stanford–Binet and Wechsler evolved it.
