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. Author manuscript; available in PMC: 2010 Jun 24.

Published in final edited form as: J Child Psychol Psychiatry. 2010 Jan 5;51(6):660–667. doi: 10.1111/j.1469-7610.2009.02204.x

Table 3.

Genetic (h²), shared environmental (c²) and nonshared environmental (e²) influences on latent intercept and slope

	Latent intercept			Latent slope
Variable	h²_intercept	c²_intercept	e²_intercept	h²_slope	c²_slope	e²_slope
WRMT Word ID	.38^* [.25–.55]	.62^* [.44–.74]	.01 [.00–.04]	.00 [.00–.10]	1.00^* [.90–1.00]	00 [.00–.12]
WRMT Letter ID	.38^* [.18–.64]	.62^* [.36–.80]	.00 [.00–.06]	.01 [.00–.15]	.99^* [.85–1.00]	.00 [.00–.03]
WRMT Word Attack	.38^* [.18–.65]	.60^* [.34–.78]	.02 [.00–.08]	.09 [.00–.75]	.91^* [.25–1.00]	.00 [.00–.08]
Stanford–Binet Vocabulary	.47^* [.04–.97]	.53^* [.03–.93]	.00 [.00–.17]	.39 [.00–1.00]	.00 [.00–.92]	.61 [.00–1.00]
Boston Naming Test	.47^* [.26–.71]	.45^* [.22–.63]	.08^* [.04–.15]	.55 [.00–1.00]	.45 [.00–1.00]	.00 [.00–.48]
Phoneme Awareness	.51^* [.29–.80]	.49^* [.20–.71]	.00 [.00–.04]	.20^* [.01–.66]	.80^* [.34–.99]	.00 [.00–.10]
RAN	.72^* [.42–.89]	.11 [.00–.37]	.17^* [.10–.26]	.58^* [.27–.87]	.24 [.00–.53]	.17^* [.09–.29]

^*

Note: Statistically significant from zero using 95% confidence intervals, presented in brackets.