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283 posts

Ultimate Geek
+1 received by user: 47


  Reply # 1981743 22-Mar-2018 22:04
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All such tests (inductive verbal numerical, and personality trait) are pretty well worthless when applied to job selection (and probably everything else).


See how they get the data -- take 1000 programmers, give them a personality test, and discover that there is some correlation (small, but significant, usually) between a trait and some other, usually completely informal, assessment of the goodness of the programmers.  If you have a good number in your group, this significance may only account for 25% of the data, so it's pretty rough.  


But look at the logic -- can you say, if you have this trait, you'll be a good programmer?  No, all you know is that good programmers have more than usual of this trait.  So may many other people who are NOT good programmers.  So, you can't say, if a person has this trait, she will be a good programmer.  The conditional probabilities (Good old Rev. Bayes) just don't work like this.


I once did a personality test which had a scientific creativity subscale, and I scored in the 99th percentile.  Does this make me a Very Creative Scientist?  No, it just means that I share a characteristic with such people.  Doesn't make me a VCS, or even likely to become a VCS.


F99 is right.  It's phrenology because almost no one understands the conditional probabilities.




568 posts

Ultimate Geek
+1 received by user: 165


  Reply # 1982665 24-Mar-2018 18:52
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Thanks for all the feedback guys. 



Well, how much do you want this bank job? Like al things in life, the more you practice, the better you get.


  • If you're not to worried, simply take the test and see what the end result is.
  • If you really want this job, take as many as possible of these test exams (incl. alternative sites) before having to sit for the test.


I agree with you regarding practice. It's difficult to adequately prepare for all three disciplines within the 48 hour time period they give you. I should've done some preparation over the break, but I didn't actually see myself applying for graduate roles at that point. I forgot that most applications need to be made almost a year before the role's start date as well. I didn't expect to receive the invite to complete the tests so soon either. Lots of mistakes made : )

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