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Doubling-Back Aversion: A Reluctance to Make Progress by Undoing It.
Kristine Y Cho1, Clayton R Critcher1
1Haas School of Business, University of California, Berkeley.
People avoid more efficient paths if they require undoing progress, a bias called doubling-back aversion. This reluctance stems from viewing past efforts as wasted, not route efficiency.
Area of Science:
- Psychology
- Behavioral Economics
- Decision Science
Background:
- Individuals often face choices where a more efficient path requires retracing steps or discarding prior work.
- Understanding the psychological drivers behind such decisions is crucial for explaining seemingly suboptimal choices.
Purpose of the Study:
- To identify and define the phenomenon of 'doubling-back aversion.'
- To investigate the psychological mechanisms underlying this aversion.
- To differentiate doubling-back aversion from related concepts like the sunk-cost fallacy.
Main Methods:
- Four studies involving 2,524 U.S. adults were conducted.
- Participants engaged in virtual-reality navigation and performance tasks.
- Doubling back was analyzed by its components: progress deletion and task completion proportion.
Main Results:
- A consistent 'doubling-back aversion' was observed across diverse tasks.
- Both deletion of past progress and increase in remaining task proportion independently contributed to this aversion.
- The aversion was explained by subjective construals of past/future effort, not route length perception.
Conclusions:
- Doubling-back aversion is a distinct psychological bias where individuals avoid efficient paths that necessitate undoing progress.
- The primary driver is the aversion to perceiving past efforts as wasted.
- This finding offers a new perspective on decision-making under conditions of progress and potential reversal.

