Did changing your answers help you or cost you?

Every candidate has heard it: trust your first instinct, never change an answer. It gets repeated because everyone vividly remembers the one answer they changed from right to wrong, and nobody remembers the three they changed from wrong to right. Memory keeps score badly.

The research on answer changing does not support the folk wisdom, and more importantly, neither does your own data. Your report counts your changes from the sitting itself: how many answers you changed, how many moved from right to wrong, how many from wrong to right, and how many from one wrong option to another.

Read your own pattern, not the proverb

When the numbers are decisive, the report says so plainly. If your changes cost you marks on a sitting, it tells you that on that day your first choice was the better one, and the advice that follows is specific: when you revisit a question, look for a reason to change, not just a doubt. A reason is something in the stem you missed the first time. A doubt is a feeling. Feelings at minute 200 of a long paper are not evidence.

If your review pass earned marks, the report says that instead, and the advice flips: protect the time you spend going back over questions, because for you it is paying.

The point is that this is an empirical question about you, not a rule about candidates in general. Two people of identical ability can sit the same paper and one should revisit freely while the other should be suspicious of their own second thoughts. You find out which one you are from data, not proverbs, and one practice sitting gives you more of it than years of received wisdom.

The habit for exam day

Whatever your pattern, one discipline holds for everyone. When you return to a question, reread the stem before you look at your answer. Most costly changes happen when a candidate rereads their answer, feels a doubt, and swaps it without ever going back to the question. The stem is where the reason lives, if there is one.

There is no penalty for a wrong answer on these examinations, so the goal is never fewer changes or more changes. It is changes with reasons. Your report will tell you, sitting by sitting, whether you are getting there.