In the IQ scales, the mean IQ score is 100. Mean – This is the average score: a number that is achieved by taking the total scores attained and dividing by the number of people that have taken the test. This norm group has a mean of 100, a standard deviation of 15, and is presented as a bell curve. The score is calculated using a norm group that is representative of your age range in a global population. The usual presentation of the IQ scale is as follows: There are many publishers of IQ tests for all age groups, and plenty of free online IQ tests that you can take to see where you fit. IQ scores start at 1, and there is potentially no upper limit for IQ scores. When you have completed the test, you will receive a score based on the scale, which is compared to a norm group to reveal your IQ level. The IQ scale is the range of potential IQ test scores that can be achieved in an IQ test. IQ tests are used in a few situations, including: These intelligence tests are among the most commonly administered psychological tests. IQ stands for intelligence quotient, and there are several IQ tests available that aim to measure intelligence.
