QUESTION TEXT: A number of seriously interested amateur astronomers…
QUESTION TYPE: Method of Reasoning
CONCLUSION: Amateur astronomers should use the Exodus telescope.
REASONING: The Exodus produced much more detail than the Newtonian telescopes, even though the Newtonian telescopes let in more light.
ANALYSIS: The argument’s method is to use the experience of part of the group (experienced amateur astronomers) to recommend the telescope to the entire group (all amateur astronomers).
___________
- It’s implied that we should believe amateur astronomers, but they’re claims aren’t evaluated.
- No such comparison was made. As far as I can tell, the testing situation was ordinary use.
- The wider context isn’t given. We don’t know if a third type of telescope is better, or if the Newtonian telescope might offer other advantages for planetary observation.
- CORRECT. The seriously interested amateur astronomers who tried the Exodus are a subset of the entire group of amateur astronomers. This experience is used to recommend the Exodus to the rest of the group.
- We’re not told why the amateur astronomers switched to the Exodus or why they like looking at planets.
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