Table 1.

Mean regression coefficients for state and action probabilities

Experiment	Method to fit k	State β (SEM)	Action β (SEM)
Visual	Cumulative normal	1.20 (0.05)	0.15 (0.02)
	Cumulative normal UB*	0.95 (0.05)	0.19 (0.02)
	Cumulative normal + lapse	1.15 (0.07)	0.16 (0.02)
Auditory	Cumulative normal	0.92 (0.05)	0.12 (0.02)
	Cumulative normal UB*	0.73 (0.04)	0.12 (0.01)
	Cumulative normal + lapse	0.85 (0.06)	0.12 (0.02)

*UB indicates upper bound on 95% credible interval.