What Task Response actually demands
Task Response (Task 2) and Task Achievement (Task 1) ask one blunt question: did you do what the prompt told you to do? In Task 2 that means four things — answer the whole question, take a clear position and hold it the whole way through, develop relevant ideas with real support, and write at least 250 words.
None of that is about your English. It's about your thinking and your reading of the prompt. You can fail every one of these points in grammatically perfect sentences, which is exactly why strong writers get blindsided by this criterion.
Why it's worth roughly a quarter of your band
IELTS Writing is marked on four criteria — Task Response, Coherence & Cohesion, Lexical Resource, and Grammatical Range & Accuracy — and they are weighted equally. So Task Response is worth about 25% of your Writing band on its own. A Band 5 here, averaged with three 7s, can't produce a 7.
Here's the uncomfortable part: it's also the criterion most tools skip. Checking grammar and vocabulary is easy to automate. Judging whether you answered the actual question requires reading the prompt and your essay together and forming a view. Most free checkers don't, so they hand you an inflated number and miss the very thing capping you.
The five most common Task Response failures
Almost every capped essay fails in one of these ways:
1. Answering half a two-part question. Many prompts ask two things — discuss both views and give your opinion, or describe a problem and suggest solutions. Cover only one half and you've left marks on the table no matter how good the writing is.
2. No clear position, or a position that drifts. If the examiner can't say in one line what you think, or if you argue one way in paragraph two and the other way in paragraph three, your position isn't clear — and an unclear position caps you.
3. Writing about the topic, not the question. The prompt says "the environment" so you write everything you know about the environment. But the question asked something specific. Topic ≠ question, and the band rewards the question.
4. Generic, undeveloped ideas. "It is good for the economy" is an assertion, not an argument. Without a reason and an example to back it, an idea stays thin — and thin ideas hold Task Response down.
5. Under 250 words. A short essay is penalised under Task Response automatically, and a thin one usually hasn't developed its ideas anyway. Both problems land here.
Why a beautiful essay still gets capped
Because the criteria are scored independently. A gorgeous sentence earns nothing under Task Response if it doesn't address what was asked. The examiner reads your essay against the prompt first, and if half the prompt is missing, this band is capped before your vocabulary or grammar even enters the conversation. The polish raises three criteria; it can't rescue the fourth.
Vague vs focused: a worked example
Take an original prompt: "Some people believe governments should fund free university education for all citizens. To what extent do you agree or disagree?"
Vague response: "Education is very important in modern society. Universities give people knowledge and skills, and many famous people went to university. Governments do many things for their citizens. Therefore education is a key topic for every country." — This is about the topic. It states no position on the funding question, answers nothing the prompt asked, and would be capped on Task Response however clean the English is.
Focused response: "Governments should fully fund university education, and I strongly agree. First, free access removes the financial barrier that keeps able students from poorer families out — for example, countries with tuition-free systems tend to have broader social mobility. Second, a more educated workforce returns the cost through higher tax revenue and lower welfare spending. The main objection — cost — is real but recoverable over a graduate's working life." — This takes a clear position, holds it, answers the exact question, and develops two supported reasons. Same word budget; a completely different Task Response band.
A 60-second checklist before you submit
Run these five checks on every Task 2 essay before you hand it in:
Underline every part of the prompt and confirm each one is addressed. State your position in a single sentence — if you can't, you don't have one. Check your position is the same in your introduction and conclusion. Make sure each main paragraph has a reason and an example, not just a claim. Count your words; clear 250 with margin to spare.