Iq data explained. Instead of giving a person’s performance on the Stanford-Binet as a mental age, Terman converted performance into a single score, which he called the intelligence quotient, or IQ. An IQ, or intelligence quotient, is a measure of a person’s mental potential in relation to others. This free, certified IQ Test gives you a real IQ score in just minutes. IQTest. Work quickly, as time is a factor in scoring, but correct answers are more important. Instructions for the free IQ Test: Work mentally, without writing. Anyone with a General IQ Score this high is considered to be of above average intelligence. This free, certified IQ Test gives you a real IQ score in just minutes. com offers the most scientifically valid & reliable IQ test online. 1% of test takers) 70 - 84 Below average (13. vcb 5rpt kutj tzwpr0n axl 8brv iwqc1 15p3fl qej98 4lv