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Common error: A frequent mistake made by candidates in examinations.
Niki Mozby
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calendar_month2026-02-25

The $1,000,000 Mistake: Misreading the Question

Why "careless reading" costs students more points than not knowing the answer.
📌 Summary: In exams, a common error is misreading the question. This happens when students overlook keywords like "not", "except", or units of measurement. This mistake leads to incorrect answers even if the student knows the material perfectly. This article explains how to avoid this pitfall using simple strategies, real-world examples, and comparison tables.

The Three Traps: Negative Words, Units, and Graphs

Candidates often rush and miss small but critical details. The most frequent traps are negative words, unit conversions, and misinterpreting graph axes. Let's break them down.

Type of TrapWhat the Question SaysWhat Students Think It SaysCorrect Answer
Negative Words"Which of the following is NOT a prime number?"Find a prime number.Find the composite number (e.g., 9).
Unit Mismatch"A car travels 0.5 km in 60 seconds. What is its speed in m/s?"Speed = 0.5 / 60 (forgetting km to m).Convert 0.5 km to 500 m. Speed = 500/60 = 8.33 m/s.
Graph AxesA graph shows "Time (minutes)" on the x-axis and "Distance (km)" on the y-axis. The slope represents speed.Assuming x-axis is seconds or y-axis is meters.Reading the axes labels carefully to calculate the correct slope.

Real Exam Scenario: The Case of the Missing "Except"

Imagine a biology exam question: "All of the following are mammals EXCEPT for: a) Dolphin, b) Whale, c) Shark, d) Bat." A hurried student who reads "All of the following are mammals" will quickly select "Dolphin" as the first correct mammal and move on, losing the point. The correct answer is c) Shark, because a shark is a fish. This example shows that one small word, "EXCEPT," changes everything. To avoid this, always circle or underline negative words in the question before looking at the answer choices.

✨ Pro Tip: The Finger Cover Method
When reading a question, use your finger or a ruler to cover the answer choices. Read the question stem twice. Uncover the choices only after you are 100% sure what the question is asking. This prevents the answer choices from confusing you.

Important Questions About This Error

Q: I know the material well, but I still make these mistakes. Why?
A: This is often due to "confirmation bias." Your brain sees what it expects to see. If you expect a question about mammals, your brain ignores the word "EXCEPT." The solution is to read the question aloud in your head and physically point to each word.
Q: How can I check my work for this specific error?
A: During review, ask yourself: "Did I answer the question they asked, or the question I thought they asked?" Re-read the question without looking at your answer. If it's a math problem, do a quick "unit sanity check" – if you're calculating speed, does your answer make sense in km/h or m/s?

Conclusion: Slow Down to Speed Up

Misreading the question is the most common and preventable error in exams. By training yourself to identify negative words (like not, except, false), verifying units (e.g., $cm$ vs $m$), and double-checking graph labels, you can instantly boost your score. Remember, it’s not about working faster; it’s about reading smarter.

Footnote

[1] Confirmation Bias: The tendency to search for, interpret, favor, and recall information in a way that confirms or supports one's prior beliefs or expectations.
[2] Unit Sanity Check: A quick mental check to see if the unit of your answer (like kg, m, or $) makes sense for the question being asked.

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