One-Star Ratings Are The Worst, Says Science

One-star reviews, in addition to being the least helpful kind of review, are also the longest and the worst-spelled. Data journalism blog Priceonomics analysed 100,000 online product reviews and found that 40 per cent of one-star reviews have at least one spelling mistake, vs. under 30 per cent of five-star reviews.

Five-star reviews, though, are most likely to leave out periods at the ends of sentences - likely because they're shorter - and four-star reviews are the most likely to leave out apostrophes. Weirdly, after adjusting for length, three-star reviews have the most frequent errors.

Spelling and grammar aside, we still believe in productivity godfather Merlin Mann's rule of starred review quality:

Is There a Connection Between Bad Grammar and Negative Online Reviews? [Priceonomics]


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