Table 1

Summary of scores across the measures of verbal and performance intelligence, receptive and expressive language, articulation and basic reading, comprehension and spelling

MeasuresSib 1 (13.9 y)Sib 2 (10.8 y)Sib 3 (6.7 y)
Intellectual level
Verbal IQ867099
Performance IQ9275113
Full Scale IQ10170105
Language skills
(Age equivalent score in years and months)
Receptive
BPVS12.68.96.4
 TROG11.0>8.06.0
Expressive
EOWPVT 8.05.03.4
Articulation
(Centile score)
GFTA      <50th      <50th      <50th
Reading skills
(Age equivalent in years and months)
Basic reading16.08.06.4
Reading comprehension 9.9<6.0      <6.0
Spelling12.67.6      <6.0