I did another test and scored 130.
Some questions were very unclear. ("up to including" ambiguity and things like that). Anyway I got 130 at that test.
Funny thing was that they wanted me to pay for a certificate, containing things like the Gauss curve etc. They already knew I had a University grade. How many people with a University grade don't know yet what a Gauss curve is ???...
Paying for the certificate, pffff. If I want a certificate, I'll do an official test. It gives a higher mark (around 140, though it's been a long time since I did a test, and there's a lot of difference in the 140 region) and it's for free. People would pay for a higher mark, so it's very odd these commercial tests don't grade me a 170, now THEN people would poay!
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BTW if you find mistakes in an IQ test, does that give you extra grading?
Example: a question was (in Dutch)
"which word means "expressing a feeling of discontent on a certain issue""
And none of the possibilities was a verb...
of course they were searching for the answer "complaint" but in fact that is a wrong answer.