Paper Overview
Field: AI Authors: Suraj Biswas, Saurav Gupta, Pritam Mukherjee Published: 2026-05-28 arXiv: 2605.27580
Abstract
A central puzzle for the behavioural sciences and for human-facing artificial intelligence is the persistence of within-person variability. The same individual, presented with the same observable input, produces different outcomes on different occasions, and different individuals produce divergent outcomes that no observable covariate fully predicts.
The authors argue that this variability belongs in the dynamic latent state of the person, and that human outcomes are controllable in a precise and operational sense through interventions that target the state and its weighting at the moment a decision is being formed.
Key Ideas
- State as a weighting vector: A state is defined as the time-indexed weighting vector over the dimensions that govern how an individual's biology, physiology, and neuropsychology process the next event into a decision and an outcome.
- Causal, not correlational: The relationship between state, decision, and outcome is causal rather than correlational.
- Intra-day dynamics: The weighting vector changes dynamically on intra-day timescales.
- Attentional bottleneck: The conscious channel of reportable outcomes is a narrow attentional bottleneck whose contents are themselves state-dependent.
- Controllability claim: Taken together, these propositions imply that the outcome of a given event is controllable conditional on the state trajectory at the moment of intervention.
Significance
By reframing within-person variability as a property of dynamic latent states, the paper offers an operational account of how interventions — targeting the moment of decision formation — can make human outcomes controllable, with implications for behavioral science and human-centered AI design.
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