Table 9.

Consistency between searches in Fribbles spaces as measured by Z score metric discussed in Sec. 2.10.

Subjectsession	z1	z2	z3	z4
S11	2.10	0.57	0.43	2.20
S12	−0.53	1.40	−0.03	1.40
S13	0.46	0.62	−1.20	−1.40
S14	−0.59	−0.19	−1.20	1.22
S15	−1.10	−1.10	1.43	2.96
S16	−0.29	0.85	0.39	0.54
S17	2.28	3.14	3.28	−0.99
S18	−1.70	−0.03	0.28	−1.80
S19	1.40	0.30	0.97	3.80
S20	0.63	0.15	0.46	0.05

Z scores of 1.8 and above in bold.