Sep 25, 2018
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We have been relentlessly working on our Google reviews for several years. I noticed that 2 of our 4.9 Star ratings improved to 5 after we reached 50 reviews. We have a GMB listing at 48 reviews, I hope to get to 50 soon. Has anyone else seen this improvement?

Cherie Dickey

Local Search Expert
Jan 30, 2018
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Not sure if the review calculation is still a bayesian average, but that might account for the adjustment.

I'm not sure either, but it makes sense to me that they might be. Mike B wrote a good article a few years back. It's from 2014, but I'd wager it's still relevant since I haven't heard anything different. You can Google the article if you'd like to read it, @KevinJr . It's called Why does Google show a 4.8 rating when I have all 5-star reviews? and is on the LocalU website.
Last edited by a moderator:


Local Search Expert
Sep 12, 2012
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If you mean your overall average it just eventually rounded up I'm guessing.


LocalU Faculty
Jul 18, 2012
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Google no longer uses the bayesian average. I checked my guide and this happened in February 2017 (before then, they did use it).

It's now based on solely on averages and rounds to the nearest half-star so it's possible to get a 5.0 with negative reviews.


Jan 8, 2019
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I thought I read somewhere that Google was leaving old reviews out of the average calculation - I don't know if this is correct or what age they are left off


Mar 8, 2019
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Google no longer uses the bayesian average. I checked my guide and this happened in February 2017 (before then, they did use it).

It's now based on solely on averages and rounds to the nearest half-star so it's possible to get a 5.0 with negative reviews.
What do you mean they round to the nearest half star? Don't we see 4.8 and 4.9 all the time?
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