The comparison strategy used by the author in this passage is point-by-point comparison.
A point-by-point comparison strategy is an organizing method. In this strategy, the author lists and examines the important comparisons or contrast between subjects one at a time.
A point-by-point comparison is beneficial for subjects with several points of comparison since it allows the reader to compare both subjects to each other.
The body paragraph of a point-by-point comparison normally begins with a point, followed by a side-by-side comparison of that point by the topic. This is exactly what is seen between Van Gogh and Gauguin in the passage.
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