GMAT Logic: Two Habits to Build

Many GMAT students struggle with Critical Reasoning (CR) questions. They often feel like the passages are perfectly sound, with no obvious flaws, and they can’t pinpoint a weakness. “It makes perfect sense!” they might think. “Where’s the problem?”

Related：Developing strong logical habits is crucial for mastering GMAT Critical Reasoning, especially when tackling complex experimental and causation questions.

Related：To build strong GMAT logic habits, it’s essential to develop the skill of critically analyzing arguments and spotting various logical fallacies that weaken them.

Related：Building strong GMAT logic habits includes the fundamental skill of quickly and accurately finding the conclusion in any given argument.

This difficulty often stems from a gap in foundational reading and logical reasoning skills. Western education typically emphasizes critical thinking and debate, while some Asian educational systems lean more towards rote learning. This difference can leave students unprepared for the analytical demands of GMAT CR.

But we’re not here to critique educational systems. Today, we’re focusing on how to improve your CR abilities.

Many students try to boost their CR skills by diving into specialized GMAT prep books, like the Powerscore “Logic Bible.” While these resources can be helpful, they’re most effective when you already have a solid grasp of basic logical reasoning. Without that foundation, you risk developing rigid, formulaic thinking. This might seem to work initially, but you’ll likely hit a wall with more complex, higher-difficulty questions.

The real key to improving logical reasoning isn’t just drilling GMAT questions. It’s about cultivating better thinking habits in your everyday life. I’ll share two practical methods you can use to sharpen your logical skills.

(Don’t worry, I’m not suggesting you argue with everyone you meet. That’s a fast track to social isolation.)

1. Argue with yourself.

When you have a strong opinion on something, try to genuinely adopt the opposing viewpoint. Argue against yourself as convincingly as possible. If you can’t find solid reasons to support the opposing side, it probably means you haven’t thought your original position through deeply enough.

The trick here is to fully commit to the opposing stance. Don’t just briefly consider it and then slip back into your original thinking. Really try to persuade your “former self” to switch sides.

For example:
If you support marriage equality, try to fully inhabit the perspective of someone against it. Argue passionately for why marriage equality shouldn’t be supported.

When I first joined a high school debate club, we weren’t allowed to choose our side. We had to argue positions assigned to us. The point was to move beyond personal feelings and rely solely on rational arguments. A skilled debater, even if personally against nuclear power, could convincingly argue for building a new plant.

This exercise is great with friends or a study group. Pick a controversial topic, and have everyone deliberately take the opposite stance. You’ll both learn a lot.

2. Uncover the root cause.

For any policy, action, or decision you encounter, keep asking “Why?” repeatedly. Dig down until you can’t dig any further. You’ll often find that the deepest reasons come down to differing values, and the actions themselves aren’t inherently good or bad.

Consider someone diligently preparing for the GMAT:

• “Why are they preparing so hard?” “To score 700+.”
• “Why do they want a 700+ score?” “To get into a top graduate program abroad.”
• “Why study abroad?” “To learn international management.”
• “Why learn that?” “To start their own business.”
• “Why start a business?” “To found a school.”
• “Why found a school?” “To improve education.”
• “Why improve education?” “Because they believe it’s society’s foundation.”
• “And why change society’s foundation?” “To change society itself…”

Keep pushing. When your reasoning falters halfway, you miss the core issue and get bogged down in minor details. People who can push to the deepest level articulate the “ultimate value,” while others can only discuss “intermediate benefits.” Arguing from the ultimate value is far more persuasive.

In debate, these ultimate values are called “higher-level concepts.” Once you establish a higher-level concept, the rest is just about choosing the right methods. If that concept is challenged, everything built upon it collapses.

You can use this technique on yourself. Ask, “Why am I studying for the GMAT?” If you can’t reach a satisfying ultimate value, or get stuck halfway, it means your future path isn’t clear. Clarity here provides immense motivation.

No matter how tough GMAT prep gets, holding onto your core “higher-level value” will keep you going strong.