Step 3 of 10
A flat thesis caps an essay before it starts. The position you take in your introduction decides how much room the body has to calibrate. Here is how to take a stance that is decided and conditional at the same time.
A thesis like 'I agree' or 'I disagree' commits you to a one-sided march, and a one-sided march is a Band 4 essay at best. It leaves nothing for the body to do except pile up support, which is exactly the structure that markers read as asserted rather than weighed. The position you set in the introduction is the ceiling for everything after it.
The opposite failure is just as costly. A thesis so hedged that it commits to nothing, 'there are arguments on both sides and it depends', is not balance, it is the refusal of a position. Calibration is not the absence of a stance. It is a stance with its conditions named. The skill is to be decided and conditional in the same sentence.
A strong GP thesis does not say whether the claim is true. It says where it is true and where it is not, and why. The shape is: this holds in domain A, where this mechanism operates, but breaks down in domain B, where this other mechanism takes over. That single sentence front-loads the whole body with calibration, because each paragraph now has a condition to defend or test.
The condition can be in different currencies, and naming the currency is what makes the thesis read as calibrated rather than vague. Scope: the claim holds for these cases, not those. Time: it was true once and is less true now. Domain: it holds at work but not in the family. Degree: it holds strongly here, weakly there. The strongest theses often combine two currencies, which is why they sound genuinely thought through instead of hedged.
The flat version can only be defended one way. The conditional version names the condition (mode of use) and the mechanism (design that rewards comparison), so the body can argue both sides honestly while still reaching a decided view.
The most powerful thesis of all refuses a choice the question has smuggled in. Many stems bake in a trade-off, 'efficiency at the cost of democracy', 'technology or simpler lifestyles', 'ethics rather than the pursuit of knowledge', and quietly invite you to pick a side. The strongest answers ask whether the two are really opposed before agreeing or disagreeing.
When a question opposes efficient government and democracy, an essay that argues they often reinforce each other, that accountable institutions are part of what makes governance efficient over time, has reframed the whole debate rather than answered it on the question's terms. This premise-rejecting move is rarer and harder than picking a side, but it is repeatedly the sharpest thing a candidate can do. Use it when the trade-off in the question looks too neat to be true.
Students who have been told to be balanced sometimes overcorrect into a thesis that will not decide anything. 'Both views have merit and the answer depends on circumstances' looks careful but commits to nothing, and a marker reads it as evasion, not subtlety. Nuance is not the same as neutrality.
The test is simple. Read your thesis back and ask what it would forbid. A real position rules something out: it says this is more true than that, or this holds and that does not. If your thesis is compatible with every possible essay, it is not a thesis. Add the word that decides, then attach the condition that keeps it honest.
The thesis arrives at the end of the introduction, after you have problematised the question, and it is the bridge into the body. A well-built conditional thesis is a plan in disguise: its conditions become the topic sentences, and its mechanisms become the things each paragraph explains and then tests.
This is why the thesis is taught before the body paragraph and before evaluation. Once you can name a position with its conditions, you have something to build paragraphs around and something to turn on when you evaluate. Without it, the body has no organising spine and drifts into a list. Get the stance right and the rest of the essay has a shape to fill.

Book a free trial lesson and see how we teach GP from the exam backwards, with marked practice against the band descriptors.