Archaeologist: How did the Parthenon's stonemasons manage to carve columns that all bulged outward in the center in precisely the same way?
Curious Fact
How did the Parthenon's builders manage to carve columns that all bulged outward in the center in the exactly the same way?
Hypothesis
They relied on a scale drawing like the one at Didyma (it's a profile view of a column surrounded by a grid, which makes it possible to determine the correct width at every height of the column).
Evaluate
Whenever the question stem uses the noun hypothesis (rather than argument / reasoning), we know going into the paragraph that the author will be trying to Explain a Curious Fact (i.e. trying to solve a causal mystery).
We find the curious fact and ask it as a question, although in this case it actually was presented as a question!
We find the author's explanation / hypothesis and make sure we understand the causal story they're telling.
Then we think along two different dimensions: 1. Could there be some Alternate Explanation for the Curious Fact? 2. How plausible is the Author's Explanation?
How else could they have carved columns that bulged outward in precisely the same way?
Hmm. Maybe someone stood back 100 yds to get a good view of all the columns and yelled through a bullhorn, "Take a little more off column 3!" Maybe they created a giant mold for the columns, so every column came out the same because it was mixed and hardened in the same mold.
Honestly, for a question as technical as , LSAT doesn't expect us to have any common sense imagination for Alternate Explanations. If they haven't given us any crumbs of a hint or if it's not the sort of situation that has a common sense hypothesis attached to it, then they probably aren't testing Alternate Explanations.
How plausible is the notion that they used a scale drawing like the one at Didyma?
Are the two construction projects similar enough that the same tactic could have worked for both, or are there important differences where you could use a scale drawing for Didyma but not for the Parthenon?
Did the stonemasons who worked on the Parthenon have the same knowledge and training that those who worked on Didyma did? Were they familiar with this scale drawing technique?
Goal
Like most Explain the Curious Fact arguments, we don't have a specific prediction.
Since this is Strengthen, we will justify our answer by saying it either 1. rules out an Alternate Explanation (for how they got the columns to bulge similarly) or 2. adds plausibility to the Author's Explanation (that they used a scale drawing like the one at Didyma)
Strengthen questions are more likely to add plausibility than to rule out an alternate explanation, so on a first pass, we primarily look for answers that seem to do #2.