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. 2022 Jun 8;6(1):117–141. doi: 10.5334/cpsy.85

Table 4.

Nested models.


PARAMETER: a (ACTION PRECISION) cr (REWARD SENSITIVITY) η (LEARNING RATE) a0 (INSENSITIVITY TO INFORMATION)

Default value if not estimated 4 (always estimated) (removed from model) 0.25

Prior means during estimation* 4 4 0.5 0.25

Model 1 Y Y N N

Model 2 Y Y Y N

Model 3 Y Y Y Y

Model 4 N Y Y Y

Model 5 N Y Y N

Model 6 N Y N N

Model 7 N Y N Y

Model 8 Y Y N Y

Model 9** Y Y Wins/Losses Y

Model 10 Y Y Wins/Losses N

Y indicates that a parameter was estimated for that model; N indicates that a parameter was not estimated for that model.

* Prior variance for all parameters was set to a precise value of 2–2 in order to deter over-fitting.

** Winning model.