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. Author manuscript; available in PMC: 2020 May 4.

Published in final edited form as: Infancy. 2019 Mar 6;24(3):368–391. doi: 10.1111/infa.12284

Table 3.

Estimated Fixed and Random Effects for Sum of Items Constructed by Action at Infancy. (Unconditional Growth Models)

	Construction
	Stacking	Nesting	Affixing
Fixed Effects	Coefficient	Coefficient	Coefficient
Inf Intercept	−5.334^***	−2.886^***	−3.049^***
InfAge	1.043^***	0.361^***	0.524^***
InfAge²	−0.086	−0.051^*	−0.116^***
InfAge³	−0.015	-	-
Random Effects	Variance Component	Variance Component	Variance Component
Intercept	9.465^***	0.849^***	0.859^***
InfAge	1.263^***	0.045^*	0.033^*
InfAge²	0.240^***	-	-
InfAge³	0.084^***	-	-
Level-1 (σ_ε²)	0.273	0.657	0.702

^*

p < 0.05

^***

p < 0.001