Table 1.

Demographic information and scores for participants (n = 40)

Measure	Mean (SD)	Range
Age (years;months)	5;6 (0;5)	4;10–6;4
KBIT-2 matrices SS	0.9 (10.3)	85–120
PPVT-4 vocabulary SS	6.2 (12.8)	83–160
PA composite SS	0.3 (1.8)	7.3–15.3
RAN composite SS	7.5 (13.5)	68.3–122.3
LK composite SS	6.8 (10.2)	87.0–132.0
Word ID raw score	2.8 (19.3)	0–67

LK, Letter knowledge; SS, Standard Score, in which standardized mean is 100 except for PA (CTOPP), in which it is 10.