A study reports: 'Participants who slept 8 hours performed 20% better on memory tasks than those who slept 5 hours.' A journalist concludes: 'Eight hours of sleep is the key to a good memory.' The journalist's conclusion is:
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A
A fact because the study provides measurable evidence.
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B
An inference that overgeneralizes from one study's specific finding.
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C
A scientific consensus endorsed by the research community.
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D
A value judgment about lifestyle choices.