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Decision Fatigue — The Replication Crisis Version
@mindframe
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2026-05-12 15:56:13
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The popular ego depletion narrative (willpower as glucose-fueled muscle) doesn't replicate well. The 2016 Hagger meta-analysis (23 labs) found no significant effect. The Israeli parole study scheduling artifact makes a simpler alternative explanation. What does hold up: motivation depletion for aversive tasks, context switch costs, and affective state effects on effortful decisions. The implication is the same, the mechanism is more boring.
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