Table 10.

Temporal evolution of Fribble searches.

Subjectsession	Δ var1	Δ var2	Δ var3	Δ var4	dist1	dist2	dist3	dist4
S111	0.02	0.01	0.05	0.03	1.38	1.15	0.58	1.13
S112	0.05	0.03	−0.04	0.03	1.42	2.30	1.55	1.49
S121	0.02	0.02	−0.11	0.00	1.38	1.29	2.18	2.25
S122	−0.04	0.01	−0.01	0.07	1.03	2.49	0.87	2.28
S131	−0.02	0.12	0.03	0.01	2.39	0.89	0.99	0.50
S132	0.10	0.01	−0.03	0.03	1.44	0.60	.84	1.46
S141	−0.08	−0.01	−0.07	0.03	3.05	2.33	0.77	1.30
S142	−0.06	−0.05	−0.03	−0.06	1.68	1.19	1.35	1.95
S151	0.02	0.01	−0.08	0.08	1.39	1.47	1.89	1.31
S152	0.06	−0.02	0.01	−0.08	1.83	0.98	1.07	1.57
S161	−0.00	0.09	−0.02	−0.08	0.52	0.54	1.73	0.95
S162	0.05	0.05	−0.08	0.05	0.60	1.34	1.17	1.32
S171	0.01	0.06	0.03	0.07	1.31	1.03	1.16	1.20
S172	0.03	0.02	−0.08	−0.05	2.41	0.81	0.76	1.09
S181	0.10	−0.03	0.05	0.00	0.25	0.22	0.81	1.07
S182	0.01	−0.06	0.07	0.00	1.31	1.06	1.09	0.39
S191	−0.01	−0.03	0.01	−0.02	1.14	1.72	1.42	1.71
S192	−0.08	0.00	0.01	0.03	2.12	0.78	1.97	2.30
S201	−0.03	−0.07	−0.05	0.03	1.93	1.80	2.59	1.09
S202	−0.05	0.00	0.06	0.09	1.34	1.09	0.84	0.85

Δvarn and distn, corresponding to the change in variance and mean of locations visited in the first and second half of each scan session by the search of stimulus class n, are as defined in Eqns. 4 and 5, respectively. Distances of 2.0 and greater in bold.