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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Dev Sci. 2010 Jan 1;13(1):244–251. doi: 10.1111/j.1467-7687.2009.00882.x

Table 1.

Working Memory Performance by Target Type Condition

Working memory score, proportion of first looks correct

Social Non-social


Age and Risk Group n Mean SD n Mean SD
6.5 months
SIB-ASD 19 .39 .17 19 .44 .17
SIB-TD 22 .42 .15 21 .37 .14
9 months
SIB-ASD 21 .43 .22 23 .51 .21
SIB-TD 27 .47 .23 29 .42 .20