The infamous IQ test. Having a high IQ is perhaps the only thing that can make you seem both incredibly smart and incredibly dumb at the same time, depending on who you speak to when bragging. It has a fraught history of questionable science, elitism, and even eugenics, yet it is still used in some of the highest echelons of healthcare and research. So, what is IQ, why is it used, and why won’t people stop using it? Advertisement Advertisement What is IQ? Intelligence quotient, or IQ, is a test that combines a number of different psychometric tests to form...