Table 7.

Convergent construct validity: participants with fragile X syndrome.

Measures	CELF-4 EV	CELF-4 FS	VABS-II EC	GFTA-2 SiW	SB-5 VWM
Composite 1a	0.49****	0.71****	0.36****	0.50****	0.64****
Composite 2b	− 0.27**	− 0.50****	− 0.34****	− 0.64****	− 0.47****
Composite 3c	− 0.01	− 0.02	0.04	− 0.05	− 0.07

Uncorrected p values for individual tests marked with asterisks as follows: *p ≤ 0.05, **p ≤ 0.01, ****p ≤ 0.001. Bold cells contain values significant at p ≤ 0.050 after FDR correction for multiple tests.

^aDefined by high loadings for lexical diversity, syntax, and dysfluency in conversation and narration.

^bDefined by high loadings for unintelligibility in conversation and narration.

^cDefined by high loadings for talkativeness in conversation and narration.