From perception to preference and on to inference: an approach-avoidance analysis of thresholds.

  title={From perception to preference and on to inference: an approach-avoidance analysis of thresholds.},
  author={Shenghua Luan and Lael J. Schooler and Gerd Gigerenzer},
  journal={Psychological review},
  volume={121 3},
In a lexicographic semiorders model for preference, cues are searched in a subjective order, and an alternative is preferred if its value on a cue exceeds those of other alternatives by a threshold Δ, akin to a just noticeable difference in perception. We generalized this model from preference to inference and refer to it as Δ-inference. Unlike with preference, where accuracy is difficult to define, the problem a mind faces when making an inference is to select a Δ that can lead to accurate… 

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