Table 2.

PCA coefficients of components 1, 2, and 3 for the PRL-agnostic analysis, and PRL-specific analysis, for the six metrics plus the standard analysis.

Metric	C1 Agnostic	C2 Agnostic	C3 Agnostic	C1 Specific	C2 Specific	C3 Specific
Standard analysis (dispersion of eye positions)	0.524	0.193	‒0.2127	0.418	‒0.339	‒0.44
Saccadic re-referencing	‒0.286	0.509	0.123	0.132	0.607	‒0.089
Saccadic precision	0.297	0.237	0.7838	0.424	0.053	0.603
First saccade landing dispersion	0.5197	‒0.145	0.252	0.447	‒2.03	0.493
Fixation stability	0.502	0.2829	‒0.3667	0.52	‒0.208	‒0.391
Latency	0.096	0.501	‒0.315	0.328	0.354	‒0.177
% useful trials	‒0.18	0.543	0.167	0.2215	0.55	‒0.084