Google Will Recalculate App Ratings on Play Store to Reflect Recent Reviews - News18

While the exact process of new app ratings has not been disclosed, Google is believed to take into account more recent reviews, instead of older ones.

World Newspaper Collection - Apps on Google Play

Why Ratings and Reviews Matter in App Store Optimization, by Silke Glauninger, App Radar Behind the Scenes

Google Play Store: Google to revamp Play Store app ratings, Telecom News, ET Telecom

The ultimate guide to Google Play and App Store ratings and reviews

Google Play Store revamps app ratings system, adds more dev controls - 9to5Google

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Google Play app ratings and reviews guide for improving ASO

The ultimate guide to Google Play and App Store ratings and reviews

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What is the relationship between star rating and app installs on Google Play? - Quora