The Knewton Blog

David Kuntz developed the algorithm for Knewton’s GMAT prep course.  He is one of the brilliant brains behind the accuracy of Knewton CATs.  This is the final installment in his CAT FAQ. For more info, check out parts 1 and 2. Part 1 | Part 2 | Part 3 How can my overall percentile be higher than both my quantitative and verbal percentiles? Your overall score is calculated separately from your section scores, so you… Read more

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David Kuntz is Vice President, Research at Knewton, where he builds the CATs for its online GMAT course. He is one of the brilliant brains behind the accuracy of Knewton CATs. This is part 2 in a series of posts about the algorithm behind the GMAT. Part 1 | Part 2 | Part 3 How is the GMAT actually scored? Here are some more questions that students frequently have about its algorithm. 1. My score… Read more

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David Kuntz is Vice President, Research at Knewton, where he builds the CATs for its online GMAT course. Part 1 | Part 2 | Part 3 I’ve received a number of inquiries from the community about the GMAT algorithm, so I thought it best to reply in article form. Here are some frequently asked questions about computer-adaptive tests (CATs). 1. What’s an algorithm? An algorithm, generally, is a usually efficient set of well-defined steps that… Read more

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David Kuntz is the Vice President of Research at Knewton, where he works on perfecting the algorithm for its GMAT prep course. – We’ve received grades all our lives. In fact, we’re so used to them that we often don’t think very much about what they mean, or how they are calculated. So today we’re going to look at some of the different ways in which tests are scored, and at what those scores mean. In preschool,… Read more

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In reality, test day is not that different from any other day of preparation—test-takers must be attentive, focused, and fully prepared to bring their A-game. But for many test-takers, the term “test day” brings a variety of symptoms: cold sweats, night terrors, the shakes, and so on. Knowing the nitty-gritty of what to expect when you get to the testing center can help relieve some of that unnecessary anxiety. Here’s Knewton’s minute-to-minute breakdown of a… Read more

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Knewton VP of Research David Kuntz uses the English language to explain the numbers behind his Science. Computer-adaptive tests (CATs) come in all shapes and sizes, and you meet them everywhere: getting your driver’s license, achieving an IT certification like MCSE or CCNA, or applying for admission to business school.  Even the TV show “Are You Smarter Than A Fifth-Grader?” can be considered an adaptive assessment, albeit self-adaptive, not computer-based.  But they all have something… Read more

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The word “adapt” has its roots in the Latin word aptare, meaning “to fit.” We think learning works best when it fits you specifically, the way shoes work best when they fit your feet. One on one, any competent teacher can customize the lesson to fit a student’s needs. But in groups, it can be difficult or impossible. Every classroom teacher faces the same challenge: Half the class is bored; the other half is struggling…. Read more

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