Listening: A Lecturer Who Qualifies a Claim
A candidate listens once to a six-minute recorded seminar on caffeine and memory consolidation. The lecturer says, 'Caffeine can improve consolidation in habitual users,' then 90 seconds later, after a question, says, 'I should qualify that: the effect appears only in sleep-deprived participants; in rested participants we see no reliable benefit.' The candidate's notes read: 'Caffeine improves memory consolidation - habitual users.' The recording also includes the phrase 'That said, the sample was small' after a student cites a 2019 trial. One item asks the candidate to complete a summary with no more than two words; another asks what function 'That said' performs; a third asks whether the candidate should change the notes and how. The candidate has 45 seconds to check notes before answering.
1. Revise the candidate's note so that it accurately reflects the lecturer's final position. State the revision and explain the listening evidence you used.
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A better note is: 'Caffeine may improve consolidation only in sleep-deprived participants; no reliable benefit in rested participants.' The candidate should change the note because the lecturer explicitly says 'I should qualify that' and then restricts the effect to one group. The original note drops both the qualifier and the contrast with rested participants, so it turns a conditional finding into a general one. The word 'may' is safer than 'improves' because the lecturer uses 'appears' and later mentions a small sample. The phrase 'habitual users' is not repeated in the qualification, so the candidate should either omit it or mark it as uncertain rather than treating it as the main condition.
2. What does 'That said, the sample was small' do in the argument? Explain its function and how it should affect the candidate's evaluation of the 2019 trial.
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'That said' is a concessive marker: it accepts the previous point before introducing a limitation. The lecturer is not denying that the 2019 trial found something; they are warning that the sample size weakens the strength of any conclusion drawn from it. For the candidate, this means the trial should be recorded as provisional evidence, not as proof. The correct evaluation is something like: 'The trial is relevant but limited by a small sample, so it supports a tentative claim only.' A C1 listener should track these stance signals because they often carry the answer to attitude or inference items, even when the factual content is simple.
3. The candidate is unsure whether to write 'improves' or 'may improve'. Which is safer, and why?
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'May improve' is safer. The lecturer's first sentence uses 'can', which is already a possibility marker, and the later qualification narrows the group and uses 'appears'. Both choices signal that the evidence is not being presented as a settled causal fact. 'Improves' would remove that hedging and would also imply a general effect, which the lecturer explicitly denies for rested participants. In a listening summary, the candidate should preserve the speaker's epistemic stance; changing 'may' to a bare present tense can make the answer factually wrong even if the topic is right.