VestAI Beta
🧩 The "IKEA Effect" in Algorithms
The Evaluation Step: You just rated the alignment of the portfolio.
The Hypothesis: Participants in Condition A (High Ownership), who spent time "training" the system, consistently rate the portfolio significantly higher than Condition B—even though the results (including the mismatched "Nuclear" suggestion) are identical.
Theoretical Basis:
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Norton, Mochon, & Ariely (2012)
"The IKEA effect: When labor leads to love" 10.1016/j.jcps.2011.08.002 -
Morewedge et al. (2021)
"Evolution of Consumption: A Psychological Ownership Framework" 10.1177/0022242920957007 -
Yu et al. (2025)
"Whose Voice Is It Anyway? Understanding AI Customization and Responsibility..." 10.1080/10447318.2025.2588652