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The Dangers of Metrics: How Suits Can Ruin Your Game
Metrics have many dangers. We will explain the problem of self-selection and use statistical methods on data from Ubisoft games to show the "pure" effects of in-game actions. For instance, we show how -- controlling for self-selection -- the net effect of guild membership is positive for retention, but negative for monetization: guilds increase game participation, but decrease the need for micro-transactions. In monetization metrics, guild members are frequently the best-performing players. But this ignores the problem of self-selection: more engaged players join guilds as a voluntary action, resulting in a self-selected group of most active players, who have high KPIs.
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