Which IQ test should I take?

Which IQ test should I actually take? There seem to be dozens of different options from the WAIS to Stanford-Binet to online tests like RIOT IQ to Mensa’s admission test. How do I know which one is right for me and will give me accurate results?

Doesn’t it depend on what you’re trying to accomplish? Like if you need results for a diagnosis or accommodation, wouldn’t you need a full clinical assessment? But if you just want a ballpark estimate, wouldn’t something cheaper work? What’s the actual difference between all these tests anyway?

It completely depends on your purpose. If you need results for educational accommodations, disability evaluation, or clinical diagnosis, you need the WAIS-IV (adults) or WISC-V (children) administered by a licensed psychologist. These are the gold standard but cost $200-$1000. If you’re just curious and want a legitimate estimate, RIOT IQ is a solid research-based online option that’s affordable. Mensa’s proctored test works if you’re interested in membership and want official results for around $40-60. The Stanford-Binet is another clinical option but less commonly used than the Wechsler scales. Bottom line: clinical needs require professional administration, curiosity can be satisfied with validated online tests.