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How Many Experimental/Pretest/Unscored Questions are on the New GMAT?

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How Many Experimental/Pretest/Unscored Questions are on the New GMAT?  [#permalink]

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New post 25 Jul 2016, 17:31
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Exactly 12 out of the 79 questions on the new GMAT (15.2%) are experimentals. Despite GMAC's reluctance to disclose the true number of "pretest" / experimental / unscored questions, we now know this for a fact.

GMAT ESR (Enhanced Score Report) results allow us to infer that exactly 9 out of 12 Integrated Reasoning questions will count toward your score (the other 3 will be experimental), because percentiles on the IR section always align with a denominator of 9.

In addition, ESR data tells us that 3 out of the 31 Quant questions are experimental / "pretest" questions, and that 6 of the 36 Verbal questions are experimentals.

Again, we are able to infer this information using the "denominator method": because Quant percentiles for each quarter always align with a denominator of 7, we know that there are 4 x 7 = 28 scored questions and 3 unscored questions on Quant.

Likewise, because Verbal percentiles either align with a denominator of 8 (first and last quarters) or 7 (2nd and 3rd quarters), we know that there are 8 + 7 + 7 + 8 = 30 counted questions and 6 unscored questions.

UPDATE 4/5/18: On the updated, shorter GMAT, the number of experimentals has been reduced from 9 to 3 on Quant, and from 11 to 6 on Verbal, beginning 4/16/18. However, the number of experimentals on the IR section (3) has stayed exactly the same. Overall, the percentage of experimental has been reduced from 25.6% to 15.2%, which is a welcome change!

GMAC has shortened the GMAT by 23 minutes as a result of reducing only the number experimental questions from 23 to 12 (6 experimental removed from Quant and 5 from Verbal). By doing so, GMAC has created an easier, fairer test!


-Brian

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Harvard grad and 99% GMAT scorer, offering expert, private GMAT tutoring and coaching worldwide since 2002.

One of the only known humans to have taken the GMAT 5 times and scored in the 700s every time (700, 710, 730, 750, 770), including verified section scores of Q50 / V47, as well as personal bests of 8/8 IR (2 times), 6/6 AWA (4 times), 50/51Q and 48/51V.

You can download my official test-taker score report (all scores within the last 5 years) directly from the Pearson Vue website: https://tinyurl.com/y7knw7bt Date of Birth: 09 December 1979.

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How Many Experimental/Pretest/Unscored Questions are on the New GMAT?   [#permalink] 25 Jul 2016, 17:31
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