If you are unsure of an answer, you are more likely to gain points if you change your answer than if you stay with your first choice.

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This is known as the "guessing penalty" or "negative marking" in some tests, where incorrect answers lead to a deduction of points. In such cases, changing an uncertain answer might avoid the deduction and potentially gain points. However, some tests do not have negative marking, and this may not apply.

If You Are Unsure of an Answer, You Are More