Table 2.

Estimated parameters of the MM choice model.

	mean	s.e.m.	range
effort task
ɛ	0.206	0.036	[0, 1]
γ	6.59	0.832	[0, 21.25]
delay task
κ	0.155	0.032	[0, 1]
γ	20.72	2.99	[13.30, 67.20]