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. Author manuscript; available in PMC: 2010 Sep 1.
Published in final edited form as: Br J Educ Psychol. 2009 Jul 11;80(Pt 1):15–30. doi: 10.1348/000709909X460600

Table 1.

Descriptive statistics for all measures

Measure N Min Max Mean sd Chance score Max possible
Sentence Repetition 64 9 30 20.55 5.24 34
Verbal Fluency 65 0 33 15.97 8.42
Block Design 65 3 16 10.14 3.33 16
Picture Vocab. Scale 64 8 24 18.25 3.06 6.00** 24
Picture Search 65 1 10 4.4 1.82
Wisconsin Card1 64 0 12 8.30 4.08 6.00** 12
Wisconsin Card2 64 0 12 7.06 3.66 6.00* 12
Knock Tap Cut 1 65 9 12 11.72 0.65 4.00** 12
Knock Tap Cut 2 64 0 12 7.14 4.50 4.00** 12
Tap OnceTwice1 64 0 12 10.93 2.11 6.00** 12
Tap Once Twice2 64 0 12 6.67 3.89 6.00 (n.s) 12
Bead Threading 64 1.5 7.0 4.14 1.11 20
Coin Box 64 4 15 10.50 2.18 20
Leg Balancing 64 2 56 15.75 11.21 60
*

p< .05

**

p<.01(for the difference between mean and chance scores).

n.s – not statistically significant .