The Challenge of Understanding What Users Want: Inconsistent Preferences and Engagement Optimization

• URL: http://arxiv.org/abs/2202.11776v3
• Date: Mon, 23 Oct 2023 12:21:18 GMT
• Title: The Challenge of Understanding What Users Want: Inconsistent Preferences and Engagement Optimization
• Authors: Jon Kleinberg, Sendhil Mullainathan, Manish Raghavan
• Abstract summary: We develop a model of media consumption where users have inconsistent preferences. We show how our model of users' preference inconsistencies produces phenomena that are familiar from everyday experience.
• Score: 2.690930520747925
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Online platforms have a wealth of data, run countless experiments and use industrial-scale algorithms to optimize user experience. Despite this, many users seem to regret the time they spend on these platforms. One possible explanation is misaligned incentives: platforms are not optimizing for user happiness. We suggest the problem runs deeper, transcending the specific incentives of any particular platform, and instead stems from a mistaken foundational assumption: To understand what users want, platforms look at what users do. Yet research has demonstrated, and personal experience affirms, that we often make choices in the moment that are inconsistent with what we actually want. In this work, we develop a model of media consumption where users have inconsistent preferences. We consider a platform which simply wants to maximize user utility, but only observes user engagement. We show how our model of users' preference inconsistencies produces phenomena that are familiar from everyday experience, but difficult to capture in traditional user interaction models. A key ingredient in our model is a formulation for how platforms determine what to show users: they optimize over a large set of potential content (the content manifold) parametrized by underlying features of the content. Whether improving engagement improves user welfare depends on the direction of movement in the content manifold: for certain directions of change, increasing engagement makes users less happy, while in other directions, increasing engagement makes users happier. We characterize the structure of content manifolds for which increasing engagement fails to increase user utility. By linking these effects to abstractions of platform design choices, our model thus creates a theoretical framework and vocabulary in which to explore interactions between design, behavioral science, and social media.

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