Table 2. Summary of test battery and language components tapped by the different tests.

Grammar	Phonology	General	Literacy
CELF-RS	CNRep	TROG-2	WORD Basic reading
TAPS-R	GAPS phonology	BPVS
VATT
GAPS grammar

Key: CELF-RS =  Recalling Sentences subtest of the pre-school CELF-3 [56]. TAPS-R  =  Test of active and passive sentences- Revised edition [51], VATT  =  Verb and Tense Test [53], GAPS grammar  =  Grammar and phonology screening test, grammar sub-test [24], CNRep  =  The children’s test of non-word repetition [57], GAPS phonology  =  GAPS phonological subtest [24], TROG-2  =  Test of reception of grammar-2 a test of sentence understanding [60]; BPVS  =  British picture vocabulary scales [59]; WORD  =  Weschler objective reading dimensions [61].