Which linguistic feature has been found to have the strongest correlation with positive product reviews that lead to increased sales?

In the world of language and linguistics, product reviews play a crucial role in shaping consumer perception. The vocabulary, tone, and linguistic features used in reviews significantly impact purchasing decisions. This poll explores how language professionals have studied the linguistic patterns in product reviews and what they've discovered about their influence on consumer behavior and product development.

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Use of concrete, specific vocabulary over abstract terms
Greater frequency of first-person singular pronouns (I, me, my)
Higher lexical diversity (using a wider range of different words)
Consistent use of present tense verbs throughout the review