You open the certificate expecting one thing and read another, and within about four seconds you have arrived at a conclusion: this is a mistake. Something has been mismarked, or mismatched, or attached to the wrong candidate. The feeling is common and it is not foolish — but "my result is wrong" is three different claims wearing the same sentence, and they have almost nothing in common. One is a misreading of a scale that is doing exactly what it was designed to do. One is an administrative error you can document in ten minutes. One is a dispute about marking, which is the rarest and the hardest to act on. Sorting out which you have is the entire task, and it takes an evening rather than a week.
Rule out a misreading first
Start here, because this is where most alarmed readings land, and because it is the only one of the three you can settle entirely on your own.
The figures on the certificate are not a count of your correct answers. As our explainer on the dMAT score, percentile rank and certificate sets out, the reported score is standardised and the percentile rank describes where you sat relative to the other candidates. Neither is a percentage. A percentile rank read as though it were a mark out of a hundred produces exactly the sick feeling this post is about, and it is a units error rather than a bad result.
The second misreading is structural. The certificate reports more than one figure, and it is easy to read the wrong row — a module score as a total, or the other module's result as yours. How to read your two dMAT module scores walks through what the separate figures mean, and the syllabus overview sets out which modules your route actually included. Confirm you are reading the line you think you are reading before you conclude anything from it.
The third is memory. You cannot reconstruct a score from recollection of the exam, because recollection is heavily biased: you remember the four questions you agonised over and none of the thirty you answered fluently and forgot immediately. A sense that it went better than this is not evidence about the marking. If the gap you are reacting to is between the certificate and your practice history, that is a different question again, and when your result differs from your mocks deals with it properly — most of that gap is scales and conditions rather than error.
If the document is wrong about you
This is the second claim, and it is both the most fixable and the most worth finding early.
Put your passport and your registration confirmation next to the certificate and compare the fields that have nothing to do with your performance: the spelling of your name, the order of given and family names, your date of birth, any candidate or registration identifier, the test date, and which modules are reported. Using your dMAT certificate in applications covers this check in detail, and if your registration details were already wrong explains why a mismatch at registration tends to reappear here.
An error of this kind is administrative, not argumentative. Raise it through the official route promptly and in writing, state the discrepancy plainly, and attach nothing that has been edited. Do not correct the file yourself, and do not rename or re-export it to make it look tidier — an altered document is a much larger problem than the typo it was meant to fix.
If you still think the marking is wrong
The third claim is the one people usually mean, and it deserves an honest word about evidence.
You do not get to see your marked answers, so you cannot demonstrate that a particular question was scored incorrectly. What you can point to is something concrete and checkable: a module you sat that is missing from the certificate, a result that does not correspond to the test date you attended, or two figures on the same document that contradict each other. Those are observations. "I am certain I did better than this" is a feeling, and sending it will not produce a different number.
On the official information currently available, the published material describes how results are issued and downloaded rather than any public re-marking or appeals procedure. That means the honest first step is to ask what route exists rather than to assume one does. Write to the official contact promptly, keep it short, and include your candidate identifier, your test date, the specific discrepancy you observed, and a clear statement of what you are asking them to check. Keep a copy of what you sent and when. Then let it run its course — following up every second day will not speed it up, and a dated, specific query already does all the work a long one would.
Do not let the query freeze your calendar
Whatever you have raised, keep the rest of the process moving. The thing that actually causes damage here is not the score but the pause people take while waiting for an answer about it.
Applications close on dates set by universities, and verification procedures run on their own clock, so a query held open for weeks should not become a reason to stop assembling documents or to miss a submission window. What to do when your result arrives after a deadline covers the sequencing problem that follows. If the answer eventually comes back that the result stands, the decision in front of you is a different one entirely — whether to retake the dMAT works through it without pressure, and if you want an honest baseline before deciding, a free practice mock is a cheaper way to find out where you stand than another evening of rereading the certificate.
Most results that look wrong turn out to have been read wrong, a few turn out to carry a genuine administrative error, and a small remainder stay disappointing after every check. Working through the three in that order costs you one evening and protects you from spending a month on the wrong one. Check anything time-sensitive against the official sources for your own cycle rather than against what someone describes in a forum.



