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Psychological Science 2021

Generating Options and Choosing Between Them Depend on Distinct Forms of Value Representation

Adam Morris1; Jonathan Phillips2,3; Karen Huang4; Fiery Cushman1

1 Harvard University · 2 Dartmouth College · 3 Brain (Germany) · 4 Georgetown University

Abstract

Humans have a remarkable capacity for flexible decision-making, deliberating among actions by modeling their likely outcomes. This capacity allows us to adapt to the specific features of diverse circumstances. In real-world decision-making, however, people face an important challenge: There are often an enormous number of possibilities to choose among, far too many for exhaustive consideration. There is a crucial, understudied prechoice step in which, among myriad possibilities, a few good candidates come quickly to mind. How do people accomplish this? We show across nine experiments ( N = 3,972 U.S. residents) that people use computationally frugal cached value estimates to propose a few candidate actions on the basis of their success in past contexts (even when irrelevant for the current context). Deliberative planning is then deployed just within this set, allowing people to compute more accurate values on the basis of context-specific criteria. This hybrid architecture illuminates how typically valuable thoughts come quickly to mind during decision-making.

DOI
10.1177/09567976211005702
Sources
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