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. Author manuscript; available in PMC: 2014 Sep 2.
Published in final edited form as: Am J Intellect Dev Disabil. 2009 Jul;114(4):274–288. doi: 10.1352/1944-7558-114.4:274-288

Table 4.

Descriptive statistics of maternal supportive behaviors

Absolute Frequency Conditional Probability of
co-occurence during
Child Exploratory Play
Conditional Probability of
co-occurence during
Child Symbolic Play
Down
syndrome
Typical
development
Down
syndrome
Typical
development
Down
syndrome
Typical
development
M SD M SD t M SD M SD t(1,46) M SD M SD t(1,46)
Widening 4.30 4.52 2.67 4.23 1.34 .04 .04 .02 .03 1,30 .07 .13 .04 .07 .84
Proposition 7.33 6.64 4.71 6.41 2.60 .05 .04 .02 .07 1,32 .04 .08 .03 .10 .31
Control of attention 2.70 5.08 3.62 5.92 .37 .10 .17 .09 .18 .10 .07 .16 .05 .11 .45
Control of action 15.26 13.21 15.67 21.54 −.08 .09 .07 .14 .14 −1,48 .11 .15 .09 .17 .24
Restriction 3.37 3.72 3.05 5.05 .24 .02 .02 .02 .05 −.13 .02 .04 .04 .12 −.72
Unengagement (Default) .71 .26 .65 .38 1,54 .66 .35 .60 .40 .52