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. Author manuscript; available in PMC: 2017 Jul 24.
Published in final edited form as: J Exp Anal Behav. 2014 Dec 30;103(1):218–233. doi: 10.1002/jeab.128

Table 2.

Summary of model parameter estimates among chosen models in experiment 1.

Model ln (k)
s
r
mean sd median IQR mean sd median IQR
Mazur   −5.81 1.43   −5.92 −6.74, −5.25
Samuelson   −6.92 1.91   −7.27 −8.00, −6.67
Myerson & Green   −3.72 2.88   −3.91 −5.79, −2.10 0.46 0.44 0.36 0.27, 0.49 −0.52
Rachlin −12.62 9.17 −10.95 −18.45, −5.39 1.82 1.2 1.66 0.75, 2.69 −0.92

β
δ
0.39
Laibson 0.84 .0.11 0.81 0.74, 0.93 0.9995 0.0009 0.9997 0.9996, 0.9999

Note. Mean, standard deviation (sd), and interquartile range (IQR) reported for ln (k), s, β, and δ. r denotes the correlation between parameter estimates in the two-parameter models.