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. Author manuscript; available in PMC: 2014 Feb 1.
Published in final edited form as: J Exp Child Psychol. 2012 Nov 20;114(2):321–338. doi: 10.1016/j.jecp.2012.10.004

Table 5.

Experiment 2: Mean Number (and Standard Deviation) of Actions and Pairs of Actions in Target Temporal Order across Age Groups (Panel a) and for Each Age Group Separately (Panel b) for Each Test

Test
Age/

Dependent

Measure
Immediate 15 minutes
post encoding
48 hours post
encoding
2 weeks post
encoding
6 weeks post
encoding

M (SD) M (SD) M (SD) M (SD) M (SD)
Panel a: Across age groups

Actions 2.26 (.79) 2.07 (.93) 2.09 (.77) 2.05 (.79) 1.98 (.62)
Pairs 1.20 (.69) 1.06 (.68) 1.05 (.63) .95 (.69) .91 (.52)

Panel b: Age groups separately

16-month-olds

Actions 1.79 (.83) 1.44 (.75) 1.79 (.77) 1.68 (.58) 1.51 (.68)
Pairs .79 (.69) .65 (.52) .79 (0.64) .62 (.49) .57 (.56)

20-month-olds

Actions 2.38 (0.78) 1.91 (0.97) 2.06 (0.79) 2.15 (0.96) 2.04 (0.47)
Pairs 1.29 (.73) .97 (.82) 1.06 (.55) 1.03 (.84) .99 (.44)

24-month-olds

Actions 2.62 (.52) 2.88 (.22) 2.41 (.64) 2.32 (.66) 2.37 (.35)
Pairs 1.50 (.43) 1.56 (.24) 1.29 (.61) 1.21 (.59) 1.16 (.38)

Note. Maximum for individual target actions=3.00 and for pairs of actions in target temporal order=2.00.