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A couple of points. First: In the paper, Aptiquant claims that over 100,000 took a Weschler (IV) test in 4 weeks. According to wikipedia, a Weschler test takes about 15 minutes. That's an awful lot of people looking for free IQ tests, and spending 15 minutes each on the site. Second: Check out Aptiquant's site. Maybe I'm stupid, but I was unable to find a single active 'Free IQ Test' link.

And another - Aptiquant's results (if they are real) are from a self-selected group. Does the need to take a free online IQ test relate to your IQ?



I couldn't find a time estimate on Wikipedia, but Pearson (the publisher of the WAIS-IV) says that it takes 60-90 minutes (http://www.pearsonassessments.com/HAIWEB/Cultures/en-us/Prod...).

It's also not clear to me how they determined correlations between scores on their on-line version and on the standard pencil-and-paper version.




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