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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 4.

Internal consistency and test - retest correlations

Measure Cronbach’s alpha Retest r (n=19) p-value
Sentence Repetition .88 .88 <.001
Verbal Fluency .70 .88 <.001
Block Design .82 .74 .001
Picture Vocabulary Test .65 .51 .032
Picture Search .84 .76 <.001
Wisconsin Card Sort .23 .429
Knock Tap Game .94 .28 .240
Tap Once Tap Twice .88 .74 .001
Coin Box .76 .45 .054
Bead Threading .76 .34 .155
Balancing .80 .61 .006