you don't fail IQ tests, I was given one at a government job centre, what they are trying to understand is could you for instance operating machinery ?be an accountant ,be a doctor ,in this instance they are trying to understand if you are what is called highly intelligent !and I think the system to diagnose autism is flawed ( inaccurate ).Ho ok , well maybe i could find that later but atm I have no idea...
I know you cant fail an IQ test but, when you have something to do and you block and have no idea about it, for me this is stressfull and I just feel bad when I fail so this is hard to get my stuff together for the next question.
I am sure I have failed some items like that, because i have failed the last one and for the next i was just not ready to think about anything for minutes.
for instance people with autism who aren't savants in art are known to not be able to use colouring pencils or pens or a paint brush and stay with in the line ,we can draw a line we can't just colour with in a line.