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How do you turn a topic sentence into a fully developed argument that actually persuades?

Develop a coherent paragraph through point, explanation, reasoning and link, so that each argument is fully reasoned rather than merely asserted

A focused answer to the General Paper skill of paragraph development. The point-explain-evidence-link structure, the difference between assertion and reasoning, depth over breadth, and how to make every argument earn its place, with Singapore examples.

Generated by Claude Opus 4.89 min answer

Reviewed by: AI editorial process; not yet individually human-reviewed

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  1. What this dot point is asking
  2. The answer
  3. Examples in context
  4. Try this

What this dot point is asking

Once you have a thesis, the body of the essay must defend it through paragraphs that are fully reasoned, not merely asserted. This skill is about the internal craft of a paragraph: stating a point, explaining the reasoning behind it, supporting it with evidence, and linking it back to the question. The central insight is that General Paper content marks reward the quality of your thinking, so a developed argument that shows why a claim is true and why it matters will always beat a string of confident assertions.

The answer

The anatomy of a body paragraph

A reliable structure for a GP paragraph is point, explanation, evidence, link, sometimes shortened to PEEL:

  • Point. A topic sentence stating the single claim this paragraph defends. It should connect visibly to the thesis.
  • Explanation. The reasoning: why is the point true? What is the mechanism, the cause-and-effect, the principle? This is the part weak essays skip.
  • Evidence. A specific, accurate example that illustrates the reasoning in action.
  • Link. A sentence returning to the question, showing how the paragraph advances or qualifies your stand.

One point per paragraph. If you find yourself defending two claims, split them.

Assertion versus reasoning

The most important distinction in the whole subject is between asserting and reasoning. Assertion says that something is so; reasoning explains why. Compare:

  • Assertion: "Automation will cause unemployment."
  • Reasoning: "Automation will cause unemployment because machines can now perform routine cognitive as well as manual tasks more cheaply than workers, so firms have a direct incentive to replace labour in those roles faster than displaced workers can retrain."

The second names a mechanism. Markers reward the "because". An essay that never explains why its claims hold reads as a list of opinions, not an argument.

Depth over breadth

Students often fear they have "not enough points". In fact, three or four arguments developed in depth score far higher than seven touched on lightly. Each underdeveloped point is a missed opportunity to show reasoning. When planning, prefer fewer paragraphs that you can take all the way through the explain-evidence-link chain.

Anticipate the "so what"

After every point, ask "so what?" If the answer is not obvious, you have not finished developing it. Pushing a point one step further, to its consequence or its significance, is what separates a competent paragraph from a strong one.

Examples in context

Example 1. Turning a slogan into an argument. "Technology isolates us" is a slogan. Developed, it becomes an argument: technology isolates us because frictionless digital contact can substitute for higher-effort face-to-face interaction, and the brain treats the two differently, so heavy reliance on mediated contact can leave people more networked yet lonelier. The reasoning, not the slogan, earns the marks; an example such as the documented rise in self-reported loneliness among heavy social-media users then illustrates the stated mechanism.

Example 2. Depth winning over breadth. Two candidates answer "Should the state fund the arts?" One lists six reasons in single sentences; the other develops three, including a full paragraph explaining why market provision alone underfunds non-commercial art forms, using the way Singapore's public funding sustains its theatre and visual-arts scene. The second scores higher because each point is reasoned through to its significance, demonstrating the thinking the content marks reward.

Try this

Q1. Identify the missing element in this paragraph: "Globalisation harms local cultures. For instance, global brands are everywhere in Asian cities." [2 marks]

  • Cue. The explanation is missing; it asserts harm and gives an example but never explains the mechanism (why and how global brands displace or dilute local cultural forms).

Q2. Write a "because" sentence developing the point that fake news threatens democracy. [2 marks]

  • Cue. Something like: because democratic choice depends on shared, accurate information, and fake news corrodes the common factual ground citizens need to deliberate and hold leaders accountable.

Q3. Explain why three well-developed arguments usually beat seven brief ones. [3 marks]

  • Cue. Content marks reward reasoning, and each underdeveloped point shows little thinking; depth lets you build the explain-evidence-link chain that demonstrates the analytical quality the top bands require.

Exam-style practice questions

Practice questions written in the style of SEAB exam questions on this dot point, with worked answer explainers. The year tag is the paper they imitate, not the source.

Original12 marks'Young people today are too materialistic.' Develop one body paragraph in full to support or challenge this view, showing your reasoning.
Show worked answer →

A strong paragraph challenging the claim might run: Point - the perception of youth materialism often confuses visible consumption with deeper values. Explanation - young people grew up immersed in advertising and social media that reward displays of wealth, so their consumption is more public, not necessarily more pronounced. Reasoning - we should distinguish behaviour shaped by environment from a settled character trait; the same generation shows strong interest in causes such as climate activism and ethical consumption, which is hard to square with pure materialism. Evidence - the global youth-led climate movement and the growth of ethical and second-hand consumption among the young. Link - so the charge of materialism mistakes a more visible, media-shaped consumption for a shallower set of values, and the picture is more complex than the claim allows.

Markers reward a clear point, genuine reasoning (not just an example), a specific illustration, and a closing link back to the question.

Original10 marksExplain the difference between asserting a point and developing it, and why GP markers reward development.
Show worked answer →

Argument: assertion states that something is true; development explains why it is true and why it matters, which is what demonstrates the thinking GP assesses.

Assertion looks like: 'Social media harms mental health. For example, many teenagers feel anxious online.' It names a claim and an instance but never explains the mechanism.

Development adds the chain of reasoning: why does social media affect mental health? Because it encourages constant social comparison and rewards curated perfection, which can erode self-worth, particularly in adolescents whose identities are still forming. The example then illustrates a stated mechanism rather than standing in for one.

Why markers reward it: GP content marks are for the quality of reasoning. An essay of assertions reads as a list of opinions; an essay of developed points reads as an argument. Depth on fewer points beats breadth across many.

Markers reward the explanatory chain (the 'because'), the linking of cause to effect, and examples used to support reasoning rather than to replace it.

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