This is untimed educational practice for one cognitive skill. It is not a clinical, diagnostic, employment, or professionally recognized assessment, and it does not produce an IQ score or credential.
| Item | Choice | Answer |
|---|---|---|
| critical-thinking-s01-q01 | A | The judgement that the blend is the best |
| critical-thinking-s01-q02 | B | The library recorded 4,120 visits last month. |
| critical-thinking-s01-q03 | C | That sales rose after the repainting |
| critical-thinking-s01-q04 | D | The bus has been late on several recent occasions. |
| critical-thinking-s01-q05 | A | Membership records showing more sign-ups than last year |
| critical-thinking-s01-q06 | C | A single personal impression is not a measurement of air quality |
| critical-thinking-s01-q07 | B | The council wasted £2m on an unnecessary footbridge. |
| critical-thinking-s01-q08 | D | Recorded average time per transaction before and after the change |
| critical-thinking-s01-q09 | C | An absence of proof of harm is not itself evidence of safety |
| critical-thinking-s01-q10 | A | How comparable roses that went without the feed bloomed that season |
| critical-thinking-s02-q01 | B | The council should reroute the path |
| critical-thinking-s02-q02 | D | It is one of the reasons supporting the conclusion |
| critical-thinking-s02-q03 | A | We must lower the fees |
| critical-thinking-s02-q04 | C | The speaker will take the coach |
| critical-thinking-s02-q05 | B | Two |
| critical-thinking-s02-q06 | A | Ravi lives two counties away |
| critical-thinking-s02-q07 | D | The market should not move to Saturdays |
| critical-thinking-s02-q08 | C | The leap from one person's experience to a policy for every pupil |
| critical-thinking-s02-q09 | A | A chain, in which each conclusion becomes the reason for the next step |
| critical-thinking-s02-q10 | B | The scheme is already running in three neighbouring towns |
| critical-thinking-s03-q01 | C | A larger turnout would be a good thing for the fair |
| critical-thinking-s03-q02 | A | Passing the advanced course qualifies someone to supervise the workshop |
| critical-thinking-s03-q03 | D | The buyer will actually use enough paint for the extra not to be wasted |
| critical-thinking-s03-q04 | B | Nothing else that week could account for the rise in sales |
| critical-thinking-s03-q05 | D | The hazards in this water are the particles the filter removes |
| critical-thinking-s03-q06 | B | The new score is written in a notation the members can actually read |
| critical-thinking-s03-q07 | A | The hours patients struggle with are the ones that would be added |
| critical-thinking-s03-q08 | C | Selling out first reflects quality rather than price or the quantity baked |
| critical-thinking-s03-q09 | B | The training spending was not the reason they all passed |
| critical-thinking-s03-q10 | D | That a total ban is what achieving a quieter street requires |
| critical-thinking-s04-q01 | D | An engineer who has inspected the bridge and published her measurements |
| critical-thinking-s04-q02 | C | The company has a direct interest in the result and chose how to test and report it |
| critical-thinking-s04-q03 | B | The report states how respondents were selected and how many replied |
| critical-thinking-s04-q04 | A | The viewing conditions and the delay make accurate recall difficult, whatever her honesty |
| critical-thinking-s04-q05 | C | The claim cannot be checked because the sources are not identified |
| critical-thinking-s04-q06 | D | Minutes taken at the time, or a recording made during the meeting |
| critical-thinking-s04-q07 | A | The solicitor's relevant expertise makes her reading the better starting point |
| critical-thinking-s04-q08 | B | Note the potential conflict and look closely at the method and at independent replications |
| critical-thinking-s04-q09 | D | The local weather station's own recorded daily measurements |
| critical-thinking-s04-q10 | C | It may still contain useful detail, but the incentive to be positive must be taken into account |
| critical-thinking-s05-q01 | A | Traffic on the road fell by two thirds over the same period, for unrelated reasons |
| critical-thinking-s05-q02 | D | Schools that introduced free breakfasts saw attainment rise relative to closely matched schools that did not |
| critical-thinking-s05-q03 | C | Untreated colds typically clear up in about a week anyway |
| critical-thinking-s05-q04 | B | Only 3% of callers completed the form, and dissatisfied callers rarely bother to do so |
| critical-thinking-s05-q05 | A | A trial that randomly assigned runners high-visibility or ordinary kit found fewer incidents in the high-visibility group |
| critical-thinking-s05-q06 | B | Monday visitors are largely people whose circumstances prevent them attending on any other day |
| critical-thinking-s05-q07 | D | Takings fell by a similar amount in nearby towns that introduced no ban at all |
| critical-thinking-s05-q08 | C | A comparable group who did not train showed no gain over the same period |
| critical-thinking-s05-q09 | B | The complaints form was removed from the website when the timetable changed |
| critical-thinking-s05-q10 | A | Villages that planted trees recorded falling summer temperatures afterwards, while similar villages that planted none showed no change |
| critical-thinking-s06-q01 | B | Warm weather independently raises both |
| critical-thinking-s06-q02 | A | Families able to afford lessons may also provide other advantages that raise marks |
| critical-thinking-s06-q03 | D | Less serious cases may be the ones assigned to that ward |
| critical-thinking-s06-q04 | C | Better lighting may have increased the reporting of incidents that were already occurring |
| critical-thinking-s06-q05 | D | Check whether those days share something else, such as market days or pay days |
| critical-thinking-s06-q06 | C | Whether healthier and wealthier people are both more able to take long holidays and more likely to live longer |
| critical-thinking-s06-q07 | A | The weather differed from last year's |
| critical-thinking-s06-q08 | B | The supposed effect is in fact the cause |
| critical-thinking-s06-q09 | C | Runners who are already free of injury find stretching comfortable and so do more of it |
| critical-thinking-s06-q10 | D | More cases are being detected, so the true change in occurrence is not yet clear |
| critical-thinking-s07-q01 | C | Readers of a sailing magazine are not representative of people in general |
| critical-thinking-s07-q02 | B | A small number of very high incomes are pulling the average up |
| critical-thinking-s07-q03 | A | The result is worth following up, but too few pupils were involved to generalise confidently |
| critical-thinking-s07-q04 | D | The underlying counts: two incidents becoming four is not the same as 200 becoming 400 |
| critical-thinking-s07-q05 | B | People reachable by phone during working hours differ from the electorate as a whole |
| critical-thinking-s07-q06 | D | Less sugar than what: the comparison point |
| critical-thinking-s07-q07 | C | How many dentists were approached, and how they were selected |
| critical-thinking-s07-q08 | A | Donations rose from £50 to £150 |
| critical-thinking-s07-q09 | D | Halving a risk of 2 in 10,000 is a far smaller real change than halving a risk of 2 in 10 |
| critical-thinking-s07-q10 | B | Testing many possibilities makes at least one chance finding likely, so the result needs independent confirmation |
| critical-thinking-s08-q01 | D | It presents only two options when others may exist |
| critical-thinking-s08-q02 | A | It targets the person rather than what she actually argued |
| critical-thinking-s08-q03 | B | An appeal to tradition: long practice is treated as a justification on its own |
| critical-thinking-s08-q04 | C | The opponent's position has been exaggerated into a more extreme one that is easier to attack |
| critical-thinking-s08-q05 | A | The claim is used as its own support |
| critical-thinking-s08-q06 | C | It asserts a chain of consequences without showing that each step follows |
| critical-thinking-s08-q07 | B | Generalising from a small and unrepresentative sample |
| critical-thinking-s08-q08 | D | Popularity is treated as proof of quality |
| critical-thinking-s08-q09 | A | Feeling about the outcome is being used in place of evidence about the figures |
| critical-thinking-s08-q10 | C | A key term shifts meaning mid-argument, so the conclusion no longer follows from the premises |
| critical-thinking-s09-q01 | A | Check both gauges for faults or obstruction before treating either figure as correct |
| critical-thinking-s09-q02 | C | Treat the gap as a question to investigate. Conditions of use, batch, and how each figure was gathered |
| critical-thinking-s09-q03 | B | Withhold a firm conclusion and examine how the studies differ in population, dose, and duration |
| critical-thinking-s09-q04 | D | Choose the option that performs acceptably across the range of things the missing information might turn out to be |
| critical-thinking-s09-q05 | C | The evidence that tells against the option, and how she weighed it |
| critical-thinking-s09-q06 | B | Reported as weak, with the uncertainty carried into the decision rather than hidden |
| critical-thinking-s09-q07 | D | New evidence that the earlier reasoning did not and could not have taken into account |
| critical-thinking-s09-q08 | A | Seek out the strongest case against your view and see whether it survives scrutiny |
| critical-thinking-s09-q09 | B | The shared unusual detail carries more weight than the disputed order, since memory for sequence is especially fragile |
| critical-thinking-s09-q10 | A | The study carries more weight on the general question, though the stories may point to effects worth examining |
| critical-thinking-s10-q01 | B | What proportion of those who started the course completed it |
| critical-thinking-s10-q02 | D | Households now buy far less packaging, so there is less recyclable material in existence |
| critical-thinking-s10-q03 | C | Members are not the public, so the conclusion reaches beyond the evidence |
| critical-thinking-s10-q04 | A | The move from lower sales of one product to a broad improvement in diet |
| critical-thinking-s10-q05 | D | Most dissatisfied customers left without complaining, and "resolved" means only that the case was closed |
| critical-thinking-s10-q06 | A | Pupils' attainment on entry at both schools, so progress rather than final results can be compared |
| critical-thinking-s10-q07 | C | It ignores whether the scheme carries costs other than money that might outweigh the saving |
| critical-thinking-s10-q08 | B | The conclusion is broader than the evidence, which says nothing about other ages, longer use, or people who are unwell |
| critical-thinking-s10-q09 | C | People who feel strongly are far likelier to respond, so the responses need not mirror the wider public |
| critical-thinking-s10-q10 | D | Check whether the reasons are true, whether they support the conclusion, and what the argument leaves out |