You hand a chapter to your supervisor and it comes back with a familiar comment: “Good ideas, but the argument isn’t tight.” The comment is hard to act on because it does not say where. In most cases the problem sits at paragraph level: the paragraph holds three ideas, or presents evidence without a sentence explaining why that evidence supports the claim, or its sentences do not connect.
The paragraph is the smallest unit of argument. If every paragraph is tight, the chapter will be too. What follows is a concrete structure, techniques for linking sentences and a simple test for diagnosing your own drafts.
Four moves of an argument paragraph
| Move | Function | Sentence frames |
|---|---|---|
| Claim | State what the paragraph will defend | “X is not merely…, but also…”; “The decisive factor in… is…” |
| Evidence | Data, citations, examples | “In a sample of 312 teachers, …”; “Studies in… consistently report…” |
| Reasoning | Explain why the evidence supports the claim | “This suggests… because…”; “If…, we would expect…, which is exactly…” |
| Limits and link | Mark the scope, lead to the next paragraph | “This evidence, however, comes mainly from…”; “What remains unclear is…” |
The move most often skipped is reasoning. Writers place data straight after the claim and assume the connection is obvious. It is obvious to the writer, who has lived with the data for months — not to the reader.
Topic sentences: the “could anyone disagree?” test
A weak topic sentence is one nobody would dispute: “Motivation is an important factor in learning.” A strong one is a statement someone could reject, and so it needs defending: “Among first-year undergraduates, motivation drops most sharply not in the first semester but in the second, once novelty has faded and first-semester grades are known.” If your topic sentence needs no evidence, the paragraph has nothing to do.
Given-new information flow
Readable sentences tend to begin with information the reader already has from the previous sentence and end with something new. The next sentence then picks up that new information as its starting point. Compare:
- Disjointed: “Early-career teachers have high attrition. Colleague support reduces turnover intention according to many studies. Rural schools seldom have mentoring programmes.”
- Connected: “Early-career teachers leave the profession at far higher rates than other groups. This intention to leave falls markedly when colleagues offer support, particularly through formal mentoring. Yet such mentoring programmes are rarest in rural schools — precisely where early-career teachers are most concentrated.”
The same information, but the second version forms a chain leading to a specific problem. No “furthermore” or “in addition” is needed; repeating the concept at the start of each sentence does the linking.
One paragraph, one idea
Academic paragraphs typically run to roughly 100–200 words. A paragraph over 250 words often contains two ideas; a paragraph of only two sentences is usually underdeveloped. The check: summarise the paragraph in one sentence. If you need “and” to join two different contents, split the paragraph.
Handling counterarguments inside the paragraph
An argument persuades more when it raises the strongest objection itself and answers it. The concession–rebuttal pattern:
- State the opposing view fairly: “It could be argued that this gap simply reflects income differences between the groups.”
- Concede what is reasonable: “Incomes do differ considerably.”
- Answer with evidence: “Once income is controlled for, however, the gap shrinks by only about a fifth.”
- Return to the claim: “Income therefore cannot account for most of the difference.”
Do not build a weak objection just to knock it down. Expert readers notice immediately and stop trusting the whole paragraph.
A rewritten paragraph
Before: “Online learning has many advantages. According to our survey, 72% of students were satisfied. However, there are also disadvantages such as lack of interaction. Universities need to improve quality.”
After: “Overall satisfaction with online learning conceals a wide gap between types of module. Although 72% of students were satisfied in general, the figure fell to 41% for practical modules, compared with 83% for theory-based ones. This gap is consistent with students’ descriptions of missing real-time feedback as the main obstacle to learning skills: a recorded lecture can be replayed, but a technique performed wrongly and not corrected in time hardens into habit. Headline satisfaction figures should therefore not be used to judge all modules alike.”
The revision has a claim someone could dispute, specific evidence, a reasoning sentence explaining the mechanism, and a limiting sentence that leads to an implication.
The first-sentence test
Copy the first sentence of every paragraph in a section onto a separate page and read them in sequence. If they form a coherent summary of the section, the structure works. If any first sentence is just a statistic, a generic transition or a direct quotation, that paragraph lacks a topic sentence.
Next step: run this test on the section you are drafting now. For each paragraph that fails, rewrite the first sentence as a claim someone could dispute, then check whether the paragraph contains the reasoning that links its evidence to that claim.
Câu hỏi thường gặp
What are the parts of an academic paragraph?
A common structure is claim, evidence, reasoning that explains why the evidence supports the claim, and a limiting or linking sentence. Reasoning is the part most often left out.
What makes a good topic sentence in academic writing?
A good topic sentence makes a claim that someone could dispute and therefore needs evidence. A statement everyone accepts immediately gives the paragraph nothing to argue.
How long should an academic paragraph be?
Usually around 100–200 words, focused on a single main idea. Very long paragraphs often combine two ideas, while very short ones are usually underdeveloped.
How can I make my sentences flow better?
Begin each sentence with information the reader already knows from the previous one and end with new information. This links sentences more effectively than scattering transition words.
Should I include counterarguments in academic writing?
Yes, when you present them fairly and answer them with evidence. Addressing the strongest objection yourself makes an argument far more persuasive than ignoring it.
