In FR, 40 of the 100 marks come from two written questions. Most students practice them alone, which means most students mark their own answers. And self-marking has a problem: the person doing the marking is the same person who made the mistakes.
Why self-marking fails
You mark what you meant, not what you wrote. You know what you were trying to say, so your brain fills the gaps in your own sentences. A marker does not have your intentions, only your words. The answer you graded as "basically right" may not contain the point you think it contains.
Hindsight makes everything look known. The moment you read the model answer, it feels obvious. "I knew that" is the most expensive sentence in revision, because it closes a gap in your notes that is still open in your head.
You cannot see the mark scheme's logic. Real marking gives partial credit in specific ways: marks for workings even when the final number is wrong, marks for the right principle applied to the scenario, no marks for a correct rule stated in the abstract. Without knowing how marks split, you cannot tell a 12-mark answer from a 16-mark answer. Over two Section C questions, a gap that size is worth several marks you cannot see.
Vague commentary feels like analysis. On interpretation questions, "the margin improved, which is positive" reads fine to the person who wrote it. It scores little. Marks go to analysis tied to the scenario: what changed, what caused it, and what it means. Self-marking rarely catches this, because the writer already believes the commentary is specific.
What to do about it
Write in full, always. Bullet-point "I would say..." practice hides all four problems above. Type complete answers under time. You cannot diagnose writing you never produced.
Mark against the scheme, line by line. Do not read the model answer as prose. Take each mark in the scheme and ask: where in my answer is this point, exactly? If you have to interpret your own sentence generously, score it zero. Harsh marking during practice is what makes real marking feel generous on exam day.
Keep a missed-marks log. For every practice question, record which marks you lost and why: knowledge gap, application error, vague wording, or timing. After five or six questions the log shows a pattern, and the pattern, not the individual mistakes, is what you fix.
Borrow other eyes when you can. Swap answers with a study partner and mark each other against the scheme. A stranger's reading is closer to the marker's reading than your own can ever be. Even a partner who knows less than you can tell you where a sentence does not say what you think it says.
Use graded feedback where it exists. Tutor-marked mocks are the classic route. Tools help here too: for example, Gradus grades written FR answers with AI, giving partial marks with a review pass, and labels that grading as AI-assessed. However you get it, feedback from outside your own head is the point. The goal is to stop guessing where your marks went.
The principle
You cannot fix what you cannot see, and self-marking has a blind spot exactly where the marks are lost. Build your practice so that someone or something other than you tells you where the marks went. Then closing the gaps becomes ordinary work instead of guesswork.
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