A group of mountain climbers

Answer choices

1. A

   Correct82% picked this

   the climbers' performance in speech, comprehension, and reasoning was impaired because oxygen deprivation affected

   Why this is right

   This provides an alternative explanation for why all three performance areas would be affected at the same time.

   Skill tested: Flaw · how this choice captures the argument's function is the move to repeat next time.

   82%
2. B

   Irrelevant Comparison2% picked this

   the climbers' performance in speech, comprehension, and reasoning was better than average before

   How these climbers compare to others is not relevant. The relevant comparison is the change in performance during the climb.

   2%
3. C

   Irrelevant Comparison11% picked this

   the climbers showed different levels of impairment in their performance in speech,

   How these climbers compare each other is not relevant. The relevant comparison is the change in performance during the climb.

   11%
4. D

   Too Weak4% picked this

   some of the effects described were apparent just before the climbers

   This answer doesn't separate the onset of the affected speech, comprehension, and reasoning.

   4%
5. E

   Irrelevant Comparison2% picked this

   many of the climbers had engaged in special training before the climb because they wanted to improve the efficiency with

   How the climbers performed relative to what their performance would have been without special training is not relevant to the argument. The relevant comparison is the change in performance during the climb.

   2%