The IQ, short for Intelligence Quotient, is a measure of a person’s intellectual capabilities. In short, it aims to evaluate an individual’s capacity to use information and logic to answer questions or make predictions.IQ tests measure this capacity by assessing both short-term and long-term memory. They also gauge the ability and speed with which the person being tested can solve puzzles and recall heard information. 1. Find the five differences. Scroll down to see the answer.