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Learning traps and change blindness in dynamic environments
Won Jae Lee1, Amy X Li1, Jaimie E Lee1
1School of Psychology, University of New South Wales.
Journal of Experimental Psychology. Learning, Memory, and Cognition
|October 17, 2024
Summary
Learning traps cause people to miss changes in dynamic environments. Even when warned, those stuck in a trap remain blind to new rules, hindering adaptive decision-making.
Area of Science:
- Cognitive Psychology
- Behavioral Economics
- Machine Learning Theory
Background:
- Learning traps occur when initial experiences create false beliefs about reward structures, leading to avoidance of beneficial choices.
- Prior research primarily investigated learning traps in static environments.
Purpose of the Study:
- To investigate the impact of learning traps in dynamic environments, specifically focusing on "change blindness"—the failure to notice alterations in predictive features.
- To examine how learning traps affect adaptive decision-making when environmental rules change.
Main Methods:
- Two experiments (N=416) involved participants deciding to approach items from categories associated with gains or losses.
- A two-dimensional category rule was used initially, followed by a change in its feature composition.
- Outcome feedback was contingent on approach decisions, simulating real-world scenarios.
Main Results:
- A significant portion of participants adopted a simplified one-dimensional rule, falling into a "learning trap."
- These participants exhibited "change blindness," failing to detect or learn the updated two-dimensional rule.
- Signaling the possibility of rule change did not help trap-entrenched individuals but improved learning for those who avoided the trap.
Conclusions:
- Learning traps exacerbate decision-making deficits in dynamic environments by inducing "change blindness."
- The findings highlight the persistence of maladaptive strategies even when environmental dynamics shift.
- Interventions to prevent falling into learning traps may be crucial for promoting adaptability in changing environments.
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