Table 5.

Factor loadings of the seven proficiency measures in the additional eye-tracking dataset

Test	Factor 1	Factor 2
Self-rated Chinese proficiency (listening)	0.885
Self-rated Chinese proficiency (speaking)	0.874
Self-rated Chinese proficiency (reading)	0.854
Self-rated Chinese proficiency (writing)	0.759
Modified LexCHI		0.786
LexCHI		0.696
Vocabulary test		0.494

Only factor loadings > 0.2 are shown to improve clarity. Details of the analyses and results are available at https://osf.io/v26nk/