GMAT Prep – the 22-hour Student

The 22-Hour Student For students with a significant gap between current GMAT score and target score, 200+ points, it is imperative to bring a consistent attack to foundational materials. Expect to spend 22-25 hours a week on foundational, building block and GMAT materials over a period of 12-15 weeks. What does a 22-hour study week … Read more

What Your GMAT Score Means

Composition of a 700 – updated June 2017 GMAT scoring is not obvious at first glance and many instructors and consultants focus on percentiles rather than the scaled scores, fueling more confusion. If you have read that business schools “need to see 80th percentile” in both quant and verbal and that you need at least … Read more

Time Needed to Prep for the GMAT

How much time should you expect to spend on GMAT prep? If you are over 550 and are within 100 points of your target score, you can effectively prep for the GMAT over 12 weeks, averaging 10-12 hours a week if taking a long course (9 weeks or more), 8 weeks, averaging 12-15 hours a … Read more

Real Return on Billion Dollar Lotto

Adding on to Probability and MegaMillions, considering magnitude of this operation . . . The probability of winning the MegaMillions lotto is 1 in 176Million. Buy one of each combination, you will win. You will also spend $175,711,536 in after tax dollars for the privilege of winning.So let’s make it worth our time. Starting jackpot, … Read more

Speaking of Lotto and Probability

Remembering the conversation from Probability and MegaMillions, here’s how to rig the game. Buyer beware, this has been tried…. Probability of winning the MegaMillions lotto: 1 in 176Million The probability of winning and everyone else losing does not change much as you add more people to the mix because the probability of losing is so … Read more

Probability and MegaMillions

The comments on this infographic inspired some LottoMillions thinking. What is the probability that you win the jackpot and no one else wins? http://www.popsci.com/science/article/2012-11/dismal-odds-winning-lottery-infographic The odds of winning are based on you selecting the correct numbers out of a larger set of numbers. Keep in mind that the odds of being a lottery winner (not … Read more

GMAT tests Vocabulary, sneaky

The GMAT is crafty in the way it tests you on vocabulary.   One of the benefits of the GMAT versus GRE is that the GMAT does not require you to memorize a list of 600 words. The GRE essentially does. But that doesn’t mean that the GMAT is not testing you on vocabulary . … Read more

Sentence Error of the Week

Since newspapers and magazine are happy to supply accidents and or bad grammar, I am happy to share. Find an error online or in a newspaper, send it: kate_at_prepwise_._com This gem comes from the Wall Street Journal in an article on the Khmer Rouge (July 26, 2010): After an estimated 1.7 million Cambodians die during … Read more

Dragon Drop – GMAT Study Habits

Success requires endurance.   GMAT study habits – Being Mediocre I recently blew a gasket when  student asked me to reconfigure his study plan for the umpteenth time. He hasn’t followed any of the plans I’ve created for him and always has an excuse . . . none of which have been compelling. So here’s … Read more

Spelling Arrows

Spelling Errors It is easy to get caught up in your typing. It starts by reversing the h and the t in the. Spelling errors just happen. Then you start dropping a comma here and there. Next thing you know ur ritng n txt spk. And frankly, that’s just silliness. I’m a bit more of … Read more

Little, Brown Handbook Tutorials

The Little, Brown Handbook is a mainstay in college writing classes. If you didn’t know, several tutorials are available online too. For budding grammarians and novices alike, Click here to visit. This is a useful way to test your knowledge and solidify your skills as a grammarian.

Are Men Better at Math?

Mathematical Data: Women vs. Men A common misconception among students is that girls are bad at math. Indeed, most of my female students have heard this, but it’s not the whole story. Take a look at this data plot. The reality is, at the extremes, men outperform. At the extremes. In other words at the … Read more

Pushing our Bottoms into Teaching Positions

Falling and Failing by pushing our bottom third into teaching. According to McKinsey and Co., Finland, Singapore and South Korea have 100% of their incoming teachers coming from the top 1/3 of their college classes. The US . . . has a dismal 23%. Over 47% of our teachers graduate in the bottom third of … Read more

Students and Self Esteem

Excuses: a fun look at failure This is the abbreviated version of a Saturday Night Live skit (Basement Karate – Bryan Cranston). What was so striking was the little boy’s reaction to getting shellacked by his old man. I have heard some of the exact same phrases out of my GMAT students…. I know, I … Read more

Superstar Effect

Crush Your Competition – the Superstar Effect The best way to win? Be better. How much better? Soul crushingly better. Sound cruel? The Weekend Journal shared a great piece about the Superstar effect – how some stars are so much better than everyone else in the field that they literally crush their competition before the … Read more

Winning with Nuclear Fusion, a New Metaphor

Winning with Nuclear Fusion Thursday evening I ended up in a conversation about nuclear fusion, not a subject I know much about, but I have a vague understanding . . . that got me thinking about what it takes to study for the GMAT, SAT or GRE. It requires an extraordinary amount of energy upfront. … Read more

Super Stars – Peak Years

Peak Years and Influence In an effort to determine the validity of my hypothesis about peak years I’ve scanned through high school data as I get my hands on it . . . turns out it is not so straight forward to get high schools to share their information. It has been even more difficult … Read more

Basic Economics

Young Minds, Powerful Lessons It is difficult to find a text to ignite enthusiasm in children for basic economics. Actually, it’s difficult to find a text that teaches economics to adults (I do recommend Thomas Sowell’s Basic Economics) . . . which leads to all sorts of other problems…. But that’s for another day. In … Read more