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Difficulty: MediumInferences from the Text

For much of the twentieth century, conventional European prehistory rested on the diffusionist paradigm, which posited that monumental stone architecture and metallurgical innovations originated in the ancient Near East and Mediterranean and gradually diffused northwestward across Europe. This chronological framework was largely constructed by correlating stylistic attributes of Western European megalithic tombs with Aegean prototypes. However, the development of dendrochronologically calibrated radiocarbon dating disrupted this consensus. By measuring annual growth rings in long-lived bristlecone pines, researchers discovered that uncalibrated radiocarbon measurements systematically underestimated the true calendar age of organic artifacts prior to the first millennium BCE due to past fluctuations in atmospheric carbon-14 concentrations. When calibrated carbon-14 determinations were applied to European megaliths, monuments such as Brittany's passage graves and Newgrange in Ireland were shown to precede their supposed Mediterranean precursors by several centuries. Consequently, archaeologists were compelled to abandon the assumption of unidirectional cultural transmission and acknowledge that complex structural engineering emerged independently in Atlantic Europe.

Based on the passage, which of the following statements regarding prehistoric cultural development is most strongly supported?

  1. A
    Aegean builders actively adopted stone-masonry techniques that were first developed by the builders of Atlantic European passage graves.
  2. B
    Past fluctuations in atmospheric carbon-14 concentrations were caused primarily by cyclical variations in solar activity and geomagnetic field intensity.
  3. Stylistic resemblances between architectural structures in different geographical regions cannot be treated as definitive evidence of the temporal precedence of one culture over another.Answer
  4. D
    All major technological and structural innovations in European prehistory emerged autonomously without any influence from trade or migration.
  5. E
    Bristlecone pine tree rings provide the only scientifically valid benchmark for calibrating radiocarbon determinations in archaeological research.

Answer

Stylistic resemblances between architectural structures in different geographical regions cannot be treated as definitive evidence of the temporal precedence of one culture over another.
The passage explains that archaeologists initially assumed Aegean monuments were older than Western European megaliths because of stylistic correlations, an assumption disproved when calibrated dates revealed Western European structures were built centuries earlier. This directly supports the principle that stylistic similarities alone are insufficient to prove which culture developed a technology or structure first.

Step-by-Step Solution

1
Analyze the passage's discussion of the diffusionist paradigm and its empirical overturning.
The diffusionist framework relied on stylistic similarities to infer that Mediterranean cultures preceded and influenced Atlantic European cultures, an inference that calibrated dating later proved chronologically false.
Understanding the methodological failure that misled early archaeologists is necessary to evaluate what broader principle the passage supports.
2
Synthesize the relationship between stylistic correlation and chronological sequence.
Because Atlantic European megaliths actually predated their stylistic Aegean counterparts, stylistic comparison by itself failed as a reliable marker of temporal priority.
This directly justifies the inference regarding the limitations of stylistic comparisons.
3
Evaluate the choices to identify the statement strictly entailed by the text while rejecting unsupported extrapolations.
The correct answer accurately captures the methodological limitation without introducing unmentioned external facts or extreme quantifiers.
LSAT inference questions require the answer choice that is most strictly supported by the passage evidence.

Key Concept

Drawing Valid Methodological Inferences from Scientific Revisions
Estimated Time:1m 30s
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Topics

Inferences from the Text

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