. Author manuscript; available in PMC: 2014 Oct 1.

Published in final edited form as: Dev Psychol. 2013 Jan 7;49(10):1971–1981. doi: 10.1037/a0031348

Table 3.

Estimates and confidence intervals [in brackets] for genetic and environmental components of variance from the quantitative genetic latent quadratic growth curve model.

	A₁	A₂	A₃	C₁	C₂	C₃	E₁	E₂	E₃

Intercept	.87^* [.76–.97]			.09 [.00–.20]			.04^* [.02–.06]
Linear Slope	.21^* [.07–.35]	.42^* [.21–.65]		.08 [−.05–.20]	.53^* [.31–.72]		.04^* [.01–.31]	.05^* [.02–.11]
Quadratic Slope	−.36^* [−.48– −.19]	−.33^* [−.60– −.13]	.33^* [.12–.66]	−.10 [−.25–.05]	−.59^* [−.77– −.32]	.66^* [.32–.86]	−.02 [−.05–.00]	−.03 [−.09–.00]	.02^* [.01–.10]

Note.

indicates significance as calculated through 95% confidence intervals which do not bound zero.