The Problem with Star Rating Scales on Book Review Sites
Are star ratings arbitrary?
I think they are. I have a feeling that many folks have their own idea of what the star rating scale represents when they assign a score to a book. I think they do this regardless of the metric values of the review service they’re using and I think it’s because of two things. First, the review services don’t agree on the rating scale. Second, those services/sites don’t make the values of that star rating scale immediately obvious.
For example, here’s the scale from Amazon.com:
1 star: I hate it
2 stars: I don’t like it
3 stars: It’s OK
4 stars: I like it
5 stars: I love it
But here’s the scale from GoodReads.com:
1 star: didn’t like it
2 stars: it was OK
3 stars: liked it
4 stars: really liked it
5 stars: it was amazing
These are vastly different scoring systems!
What do I do when I score a book? I don’t even pay attention to each sites established scale because it requires more consideration than I want to give. Plus, I believe that a significant portion of the people scoring the books are doing it without regard for the sites supposedly accepted and established scale. I think it’s arbitrary.
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