Extract 1 The following passage appeared in a national broadsheet newspaper. Vaccination programmes have virtually eliminated diseases such as polio and mea...

(a) Two claims the writer makes about vaccination programmes: [2 marks - 1 per valid claim]

• Vaccination programmes have virtually eliminated diseases such as polio and measles in many industrialised nations.
• Roughly 18% of parents in Western Europe now express hesitancy about childhood immunisation schedules.

Other acceptable claims include: approved vaccines undergo years of clinical testing; serious adverse reactions remain extremely rare; regulatory agencies sometimes rely on data supplied by the companies seeking approval.

(b) Why one claim could be viewed as an opinion rather than a verified fact: [4 marks: 1 for identification, 2 for explanation of why it may be opinion, 1 for linking to lack of verifiable data or subjective language]

The claim that regulatory agencies "sometimes rely on data supplied by the very companies seeking approval, raising questions about objectivity" is partly opinion because:

• The word "sometimes" is vague and unquantified. It does not tell us how often this occurs, in which countries, or under what circumstances. Without specifics, the reader cannot verify the claim or assess its significance.
• "Raising questions about objectivity" is a judgement, not a measurable statement. Whether objectivity is compromised depends on the safeguards in place (independent review panels, replication requirements, post-market surveillance). The phrase implies a problem without proving one.
• While it is true that pharmaceutical companies submit their own trial data (this is standard regulatory practice worldwide), the implication that this process lacks objectivity is a matter of interpretation, not established fact.

The question teaches a fundamental critical thinking skill: distinguishing between statements that sound factual because they reference real processes and statements that are genuinely verifiable with evidence.

(c) How reliable is this newspaper article as evidence about vaccine safety? [6 marks: 5-6 for balanced evaluation with specific textual references; 3-4 for some evaluation with limited reference; 1-2 for superficial comments]

Strengths:

• It appears in a national broadsheet newspaper, which typically employs editorial oversight, fact-checking processes, and experienced journalists. Broadsheets generally have higher editorial standards than tabloids or social media.
• A specific statistic is cited (18% parental hesitancy), which gives the reader a concrete data point rather than a vague impression.
• The article presents both sides of the debate - health authorities' position that vaccines are tested and safe, and critics' concern about regulatory objectivity. This balanced structure allows the reader to consider multiple perspectives.

Limitations:

• No named sources or references to specific studies are provided. The 18% figure is attributed to "recent surveys" without naming the organisation, sample size, or methodology. Without these details, the reader cannot verify the claim or assess its quality.
• The article uses vague attributions throughout: "health authorities maintain," "critics respond" - but which authorities? Which critics? Anonymous sourcing weakens reliability because it prevents readers from evaluating the expertise and potential biases of the people quoted.
• Despite its balanced structure, newspapers may sensationalise to attract readership. The vaccine hesitancy debate is a topic that generates strong reader engagement, creating an editorial incentive to present it as more contested than the scientific evidence warrants.
• The article does not distinguish between scientific consensus (the overwhelming evidence that approved vaccines are safe and effective) and public opinion (the 18% who express hesitancy). By placing both on apparently equal footing, the article may create a false balance that overstates the scientific controversy.