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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: J Exp Child Psychol. 2010 Jul 31;108(1):44–60. doi: 10.1016/j.jecp.2010.06.007

Table 4.

Means (and Standard Deviations) for Language, Deliberate Memory and Working Memory Measures

Age Point
Measure 18 Months 24 Months 30 Months
Language 100.45 (15.36) 112.88 (16.34) 118.17 (15.38)
Deliberate Memory 2.10 (1.12) 3.64 (1.49) 5.18 (1.57)
Working Memory 3.05 (1.83) 4.59 (2.70) 6.02 (2.85)