. Author manuscript; available in PMC: 2017 Jan 1.

Published in final edited form as: Learn Individ Differ. 2016 Jan 1;45:25–32. doi: 10.1016/j.lindif.2015.11.008

Table 4.

Univariate estimates for heritability (h²), additive genetic influences (a²), dominance genetic influences (d²), shared environment (c²) and non-shared environmental (e²) influences for combined 3^rd and 4^th grade FAIR and FCAT scores [with 95% confidence intervals].

ACE Model	h²	c²	e²
Reading Fluency^a	.65^* [.46-.84]	.12 [.00-.29]	.23^* [.18-.28]
Spelling^a	.71^* [.58-.83]	.00 [.00-.00]	.30^* [.25-.38]
Reading Comprehension^a	.28^* [.03-.53]	.26^* [.06-.45]	.46^* [.38-.56]
FCAT	.52^* [.35-.71]	.27^* [.09-.44]	.21^* [.17-.26]

ADE Model	a²	d²	e²

Spelling^a	.28 [.00-.72]	.43^* [.01-.79]	.28^* [.23-.35]

Note.

indicates significance based on confidence intervals not bounding zero.

FAIR