Short on time? This page is the recap. For explanations and worked examples, use the full study guide.
Recap
- Oversimplification usually comes from not understanding the complexities of a subject. It produces generalisations: one cause, one group, one effect.
- Arguments enter an ongoing conversation. Effective ones avoid expressing claims, reasoning and evidence in absolute terms, because rival positions and counterexamples already exist.
- New evidence supports, refutes or complicates a claim. The third is the hardest and the most useful: narrow the scope or add a condition rather than abandon the claim.
- A good revision is more precise, not just more cautious.
Key relationships
| Signal in a claim | Problem | Typical fix |
|---|---|---|
| “always”, “never”, “everyone”, “no one” | One counterexample refutes it | Replace with a degree word (“often”, “most”) or name the cases |
| “X causes Y” (single cause) | Other causes ignored | “X contributes to Y, alongside…” |
| “Either A or B” | False dichotomy | Show the range between A and B |
| Small sample generalised | Hasty generalisation | Narrow to the sample, or add evidence |
| Vague comparison (“better”) | Unstated criteria | Say better for whom and by what measure |
| Over-hedged (“may sometimes perhaps”) | Says nothing | Restore a position with scope and condition |
Pattern for a complex claim: position + scope + condition.
Sorting new evidence
- Does the evidence fit the claim as worded? It supports the claim: use it.
- Does it make the claim, as worded, false? It refutes the claim: rework it.
- Does it show the claim is true only in some cases or conditions? It complicates the claim: narrow, condition or split it.
Worked mini-example
Claim: “Zoos are cruel.” Evidence: Source A shows poor conditions in one small zoo; Source B shows that accredited zoos run breeding programmes for endangered species; Source C shows that welfare varies widely between zoos.
- A supports the claim for one zoo only.
- B complicates it by showing a benefit.
- C complicates it by showing variation.
Revision: “Zoos with poor standards are cruel, and even well-run zoos must justify keeping animals captive, but accredited zoos that run breeding programmes can serve conservation.” The position survives, and it now has scope and conditions.
Mistakes to avoid
- Treating a complication as a refutation and dropping a good claim.
- Treating a refutation as a complication and adding a “sometimes” that fits nothing.
- Over-hedging: a claim nobody could disagree with is not an argument.
- Ignoring the strongest opposing evidence instead of addressing it.
- Confusing length with complexity. Be exact, not wordy.
- Using a hedge word with no content: “may” is not a substitute for naming the conditions.
Quick self-check
- Rewrite “Everyone benefits from longer school days” so it avoids an absolute. (For example: “Many students benefit from longer school days when the extra time is used for supervised study or clubs.”)
- A source shows that a policy worked in cities but not in rural areas. Does it support, refute or complicate the claim “The policy works”? (Complicate: the claim holds in some conditions only.)
- Why can a qualified claim be stronger than an absolute one? (It is harder to refute, so it keeps its credibility when counterexamples appear.)
Next: practice questions.