. Author manuscript; available in PMC: 2014 Mar 1.

Published in final edited form as: Exp Brain Res. 2012 Dec 19;225(1):133–146. doi: 10.1007/s00221-012-3354-7

Table 5.

Iterative bootstrap and observed information variance estimate error (% of actual value) means±(standard deviations) for all 3-Down/1-Up simulations

μ	# of Trials	Bootstrap: μ̂_i	Observed: μ̂_i	Bootstrap: σ̂_i	Observed: σ̂_i
μ = 0	n = 50	−4.6±(16.9)	−10.6±(17.0)	−0.2±(29.2)	−3.0±(30.3)
	n = 100	−1.0±(13.2)	−3.2±(12.9)	0.9±(27.4)	−0.8±(26.8)
	n = 200	−0.4±(9.5)	−1.4±(9.2)	0.4±(20.0)	−0.8±(19.7)

μ = 0.5σ	n = 50	−5.7±(20.0)	−8.6±(20.1)	−2.2±(24.9)	−1.8±(29.6)
	n = 100	−3.1±(14.5)	−5.5±(14.0)	−0.1±(20.8)	−4.1±(21.0)
	n = 200	−1.1±(10.6)	−2.3±(10.4)	0.5±(16.9)	−1.1±(16.6)