Blog for Aptitude Tests Free To Try

RIQ - the principles of combining many results

RIQ = Real IQ.

How Real IQ is presented in the user's portal.

The first RIQ concept was released as a normal mean calculation from all tests made by the user, this was not accepted by the tests takers at IQexams, they wanted something better like the Ferguson's formula. See .

The problem with Ferguson's formula is that we need correlations between all 100 tests, maintaining correlation...

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