Table 3.

Group Comparisons for the Six Parameters of the Asymmetric Gaussians (Fits of Interference Effect Curves)

	By subjects analyses		By items analyses (paired t)
Parameter	t(72)	p	t(27)	p
Peak location (μ)	0.07	0.94	0.27	0.79
Peak height (p)	0.79	0.43	0.62	0.54
Onset baseline (b1)	−1.30	0.20	−1.53	0.14
Onset slope (σ1)	1.20	0.24	1.04	0.31
Offset baseline (b2 )	2.34	0.022	2.24	0.03
Offset slope (σ2)	0.26	0.80	0.07	0.94

Note. All t tests reported here are adjusted for the jackknifing procedure (Miller et al., 1998).