Most advice about dMAT mocks is about sitting them well or reviewing them carefully. Less is said about the step in between: turning a finished paper into a score. It sounds mechanical, and it mostly is, but it is also where a lot of candidates quietly flatter themselves. A question finished thirty seconds after the timer, an answer changed during marking, a "silly mistake" that surely does not count. Each one feels harmless on its own. Together they produce a number that describes a candidate who does not sit the real exam. This article sets out how to mark a practice paper strictly, and why a lower honest score is worth far more than a higher generous one.
Why the marking matters as much as the sitting
A mock score has one job: to tell you roughly where you stand under exam conditions, so you can compare it with your other papers and decide what to work on next. That only works if every paper is scored by the same rules, and if those rules match the exam itself.
The real dMAT will not give you credit for what you would have got with another minute, or for a method you understood but executed wrongly. If your practice marking does, your scores drift upwards in a way your ability has not, and every decision you make from them — how much time to give a subtest, whether you are ready, whether a new approach is working — rests on bad evidence. The most common sign is a gap between practice results and the real thing, which when your dMAT result differs from your mocks looks at from the other end.
Only count what you answered inside the time
The clock is where generous marking usually starts. As simulating real dMAT exam conditions explains, you should stop when time runs out rather than finishing the question in front of you. Marking has to respect the same line.
A simple way to do it:
- When the timer ends, draw a line. On paper, mark the point you reached. On screen, note the last question you answered before time expired.
- Score only the answers above the line. Everything after it counts as unanswered, however confident you were.
- If you carried on, record that separately. Finishing the section untimed can be useful practice, but those answers belong in a second column, labelled as overtime, never added to the main score.
The two figures together are informative. A large difference between them tells you that pacing, not method, is costing you marks, and that is a different problem from not knowing how to solve the questions. The guide to dMAT time management covers what to do about it.
Mark against the key, not against your intentions
Once you have the answers in front of you, the temptation shifts from the clock to the judgement. Three habits keep the marking honest.
Do not change an answer while marking. If you realise halfway through scoring that your answer to an earlier question was wrong, it stays wrong. The point at which you can correct it is the review, not the marking.
Do not discount careless errors. A misread question or a slipped calculation loses the mark on the real exam just as surely as a gap in understanding. It is reasonable to note in your review that an error was careless, because that changes what you do about it, but the score should not change. The habits in avoiding careless mistakes on the dMAT are how those marks come back, not a more forgiving marking scheme.
Count guesses as answers. A correct guess scores, and a wrong one does not. Marking a lucky guess as wrong is just as distorting as marking a near miss as right. What you should do is flag every guess as you sit the paper, so the review can separate questions you knew from questions you got lucky on — the four-group approach in how to review a dMAT mock test properly depends on that flag. For how the real exam treats blank and incorrect answers, check the official sources rather than assuming a particular rule.
Keep the scoring the same from paper to paper
Honest marking is not only about being strict once; it is about being consistent across every paper you sit. A score is most useful compared with your others, and a comparison is only fair if the rules did not change in between.
Write your marking rules down once and follow them every time. Keep a short line for each sitting: the date, the source of the paper, the time of day, whether conditions were normal, the in-time score by subtest, and the overtime figure if there was one. That is enough to compare papers without building an elaborate spreadsheet, and it sits naturally alongside your error log, which records what went wrong rather than how many marks it cost.
If a paper has to be scored differently — a section was cut short, or you paused the timer for an interruption — note it beside the result instead of adjusting the number to compensate. As why your dMAT mock scores keep swinging explains, you read your level from the range of several comparable papers, and one asterisked result is easy to set aside if it is clearly labelled.
Practice papers also differ from the real exam in how a raw score turns into a reported one. The official certificate includes a percentile rank that places you relative to other candidates, as our explainer on the dMAT score, percentile rank and certificate covers. Treat your raw practice totals as a way to compare your own papers, not as a forecast of your certificate.
A smaller number you can trust
Strict marking will, at first, give you lower scores than you are used to. That is not a setback; it is the first accurate reading you have had. From there, every improvement you see is real, and every decision you take from your results is based on what the exam will actually reward.
If you want a timed paper to put these rules into practice on, the free dMAT practice mock is a straightforward place to start. For anything about how the real exam is timed and scored, rely on the official sources.



