Take a Wechsler Adult Intelligence Scale IQ test. This is the gold standard of intelligence tests and is administered by a psychologist. The test consists of 15 sections broken into four categories: verbal comprehension, perceptual reasoning, working memory and processing speed index.
Practice your test-taking skills by taking an online test to get a basis line IQ score. Tests showing concept analysis are offered online for fees or for free. One free online test (free-iqtest.net) takes about 15 minutes to complete and then immediately provides your score.
Rank yourself average if you score between 90 to 110 on an IQ test. About half the population falls within this range. Test scores can vary for numerous reasons, including illness, distractions, sleepiness and anxiety. Different tests can also vary by about 15 points, so be aware that the science of measuring IQ is not exact.
Learn the meaning of IQ scores based on the numbers. According to test-iq.co.uk, a genius tests at over 140 and this number makes up about 0.2 percent of the population. The formula for calculating an IQ per MegaFoundation.org is: IQ is equal to 100 times the mental age divided by the chronological age.