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. Author manuscript; available in PMC: 2021 Jan 1.
Published in final edited form as: Drug Alcohol Depend. 2019 Nov 3;206:107711. doi: 10.1016/j.drugalcdep.2019.107711

Table 1.

The parameters in the model.

Parameter Range of Values Interpretation
α 0 ≤ α ≤ 5 Color probability weighting
ρ 0 ≤ ρ < + ∞ Risk aversion
c 0 ≤ c ≤ 1 Bias for choosing RED
β 0 ≤ β < + ∞ Impulsivity
γ 0 ≤ γ < + ∞ Variability/noise in betting choice

A compendium of the parameters in the models. The second column gives the permissible values for that particular parameter (note that β and γ are not bounded above). The final column gives the psychological interpretation of the parameter based on how its values affect the output of the models. See section 2 for more details.