Table 1.

Descriptive statistics for the sample as a whole.

	Raw scores M (SD) [min–max]	Age-equivalent scores M (SD) [min–max]
Verbal index		49.95 (18.33) [3.27–85.86]
Receptive Vocabulary	21.11 (7.20) [1–34]	50.80 (20.52) [3.00–88.08]
Picture Naming	16.96 (6.20) [3–29]	49.87 (20.43) [3.82–89.58]
Information	19.38 (6.80) [3–33]	49.18 (21.21) [3.00–92.32]
Non-verbal index		47.21 (14.11) [17.47–81.29]
Block Design	18.90 (6.04) [3–34]	47.16 (18.44) [3.00–93.77]
Object Assembly	14.14 (8.00) [2–37]	47.25 (13.41) [26.91–85.57]
Total index		48.85 (18.26) [12.82-80.09]