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CR Answers: CC
P: higher chance of escape for sentinels
C: sentinel = selfish act
Implicit claim: based on the assumption sentinel was motivated by self-interest rather than kinship
Fallacy: Generalization
Choice A: indicates sentinel behavior might not be motivated by kinship (less direct than C)
Choice B: suggest the benefit to being a sentinel, but doesn't imply the motivation (animals don't calculate the probabilities)
Choice C: introduces self-serving motivation (an additional evidence) to support the conclusion
Choice D: contradict
Choice E: does not support the reasoning; this could be said for both cases
RC Answers: CCDBC
Early stage medical screening
- Purpose: to prevent future illness
- Benefits: demonstrated success for certain conditions (+)
- Utility of the screening: unclear
- Gap: diagnostic capabilities and therapeutic solutions (-)
- Issue: limited accuracy: inaccuracy -> misdiagnoses (-)
- Concern: repeated screenings -> adding complexity to diagnosis (-) |
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