Since different IQ tests focus on different factors, your performance will change from test to test. For example, someone who scores 130 on Raven's Progressive matrices or on our culture fair IQ test (both of which measure general intelligence while minimizing cultural and educational influences) can score 115 on the Wechsler scale. A High IQ Score — IQ Score Interpretation. The developer of Intelligence tests use mathematical calculations to find the mean or average IQ scores. Score of 100 means you are in the middle of the population. If your IQ score is 130 you are among 2% of all persons taking the test.
One standard deviation is the range which includes 65% of all scores, two standard deviations includes 95% of all scores. By definition, gifted is considered to be two standard deviations or above on a standard measure of intelligence. This equates to IQ = 130 or above, for measures with a standard deviation of 15.