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. Author manuscript; available in PMC: 2023 Mar 1.
Published in final edited form as: Psychol Rev. 2021 Aug 19;129(2):235–267. doi: 10.1037/rev0000301

Table 4.

Parameters for the Ratcliff (2008) Numerosity Study

Model Properties a s a a ν 1 ν 2 ν 3 ν 4 z s z a
1 DIFF(η,sz,st) 0.076 0.132 0.516 0.423 0.287 0.097 0.040 0.068
2 UG(γ,m,st) 0.026 0.049 0.267 0.224 0.155 0.053 0.014 0.025
3 UG(γ,b,m,st) 0.076 0.134 0.370 0.303 0.202 0.066 0.040 0.068
4 UG(γ,b,ms,ma,st) 0.073 0.135 0.372 0.304 0.203 0.067 0.038 0.069
γ m s m a η s z T er s t
1 DIFF(η,sz,st) — — — 0.137 0.046 0.340 0.133
2 UG(γ,m,st) 0.012 — — — — 0.188 0.096
3 UG(γ,b,m,st) 0.780 0.794 — — — 0.318 0.124
4 UG(γ,b,ms,ma,st) 0.861 0.182 0.923 — — 0.319 0.122

Note. ms = m for urgency models with a single rate parameter.