Table 2.

Factor loadings for the six scales of the LDDI.

Items	Listening		Speaking		Reading		Writing		Mathematics		Reasoning
	UFL (SE)	SFL	UFL (SE)	SFL	UFL (SE)	SFL	UFL (SE)	SFL	UFL (SE)	SFL	UFL (SE)	SFL
S1	1.25 (0.04)	0.65	1.32 (0.05)	0.64	1.42 (0.04)	0.72	1.00 (0.00)	0.51	1.00 (0.00)	0.57	1.00 (0.00)	0.63
S2	0.96 (0.05)	0.52	1.47 (0.04)	0.76	1.54 (0.04)	0.77	1.23 (0.04)	0.63	1.25 (0.03)	0.69	1.27 (0.04)	0.68
S3	1.26 (0.04)	0.7	1.35 (0.05)	0.64	1.53 (0.04)	0.76	1.54 (0.04)	0.80	1.25 (0.05)	0.59	1.4 (0.04)	0.78
S4	1.35 (0.04)	0.76	1.49 (0.04)	0.79	1.35 (0.04)	0.72	1.42 (0.04)	0.71	1.54 (0.04)	0.79	1.46 (0.03)	0.82
S5	1.25 (0.04)	0.71	1.48 (0.04)	0.74	1.31 (0.04)	0.70	1.51 (0.04)	0.75	1.61 (0.04)	0.83	1.4 (0.04)	0.75
S6	1.05 (0.05)	0.54	1.48 (0.04)	0.77	1.37 (0.04)	0.73	1.38 (0.04)	0.71	1.47 (0.05)	0.67	1.47 (0.04)	0.78
S7	1.13 (0.04)	0.65	1.1 (0.05)	0.55	1.44 (0.04)	0.75	1.47 (0.04)	0.79	1.5 (0.04)	0.81	1.49 (0.04)	0.83
S8	1.36 (0.04)	0.74	1.21 (0.04)	0.63	1.44 (0.04)	0.75	1.39 (0.04)	0.74	1.55 (0.04)	0.79	1.51 (0.04)	0.84
S9	0.85 (0.06)	0.39	1.27 (0.04)	0.66	1.28 (0.04)	0.67	1.62 (0.04)	0.83	1.55 (0.05)	0.74	1.49 (0.03)	0.84
S10	1.34 (0.04)	0.72	1.36 (0.04)	0.69	1.35 (0.04)	0.75	1.6 (0.04)	0.82	1.56 (0.04)	0.81	1.46 (0.03)	0.84
S11	1.35 (0.04)	0.74	1.29 (0.04)	0.67	1.41 (0.04)	0.78	1.55 (0.04)	0.82	1.59 (0.04)	0.86	1.54 (0.04)	0.82
S12	1.37 (0.04)	0.74	1.41 (0.04)	0.77	1.41 (0.04)	0.72	1.49 (0.04)	0.78	1.63 (0.04)	0.83	1.42 (0.04)	0.74
S13	1.36 (0.04)	0.75	1.5 (0.04)	0.79	1.45 (0.04)	0.74	1.4 (0.04)	0.75	1.6 (0.04)	0.81	1.48 (0.04)	0.82
S14	1.22 (0.04)	0.64	1.43 (0.04)	0.75	1.24 (0.04)	0.61	1.5 (0.04)	0.75	1.59 (0.04)	0.82	1.52 (0.04)	0.83
S15	1.00 (0.00)	0.56	1.00 (0.00)	0.50	1.00 (0.00)	0.58	1.53 (0.04)	0.74	1.65 (0.04)	0.80	1.39 (0.04)	0.73

Note: UFL: Unstandardized Factor Loading and SFL: Standardized Factor Loading.