Hi askul2389,
The scoring algorithm on the Official GMAT is far more complicated than most people realize (and score results are based on more than just the number of correct answers). Since that algorithm is proprietary, no GMAT company has an exact match for it, thus CAT scores can vary a bit based on the 'biases' involved in their respective designs.
Beyond that point, many Test Takers become overly focused on the 'implied level' of the questions that they're answering instead of the bigger
...
The scoring algorithm on the Official GMAT is far more complicated than most people realize (and score results are based on more than just the number of correct answers). Since that algorithm is proprietary, no GMAT company has an exact match for it, thus CAT scores can vary a bit based on the 'biases' involved in their respective designs.
Beyond that point, many Test Takers become overly focused on the 'implied level' of the questions that they're answering instead of the bigger
...
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