From Bergman Data:
An IQ test similar to Mensa's IQ test. The only online IQ test with problem types and test procedure similar to Mensa's IQ test. It has shown that a person who takes the IQ test for Mensa admission twice often has a better result at the second time. Up to 20 units more. It has been explained with that they by then are used to the test situation and the nature of the problems. As this IQ test is made very equal to Mensa's IQ test, you will get used to it so you can come closer to your top result at the first time.