Why "Prethinking" Hurts More Than It Helps on GMAT Critical Reasoning
You may have heard of a strategy for GMAT Critical Reasoning questions called “prethinking.” The idea is to predict what the correct answer might be before you look at the options. Some test prep companies present this as a way to stay engaged with the passage or to guide your thinking. In theory, it sounds useful. In reality, prethinking usually creates more problems than it solves.
The first issue is time. On test day, you already have five answer choices in front of you. There is no need to invent a sixth one in your head. That extra step slows you down, and the GMAT is an exam where every second counts. The most efficient approach is to work with what you have, not to add unnecessary tasks.
The second issue is accuracy. Prethinking often sets a trap. Once you have generated an answer in your mind, you naturally begin searching for something that resembles it. When you do not see a match, you may feel frustrated or uncertain. This problem is most noticeable with more difficult questions, where the correct answer is subtle or worded in a way that does not match what you might have expected. In many cases, the answer you imagined will not be there at all. The more you try to force a match, the more time you lose.
The third issue is wasted effort. Many students read through the answer choices once, hoping to find the option they created in advance. When they do not find it, they go back through the choices again, this time attempting the real work of analyzing. By then, they have already spent valuable time and energy, yet they still need to carefully evaluate each choice. This cycle results in double the effort and no progress, which is a situation you cannot afford on a timed exam.
A better approach is to engage directly with the argument. Take a moment to understand the conclusion. Identify the assumption that supports the reasoning. Look for flaws or gaps in logic. With that understanding in place, turn to the answer choices and analyze them with focus. This method keeps you grounded in the structure of the passage and allows you to see clearly which option addresses the reasoning at its core.
You do not need prethinking to stay engaged. Careful reading and structured analysis are enough. If speed and accuracy matter to you, the smarter choice is to skip prethinking entirely.
Reach out to me with any questions about your GMAT prep. Happy studying!
Warmest regards,
Scott Woodbury-Stewart
Founder & CEO, Target Test Prep
