Table 3.

Age trends for heritability, environmentality, and corrected environmentality

Regression Model	b0	b0–3	b3–15	b15–30	b30–60	b60–90	τ	LL	AIC	BIC
Heritability
Mean Effect Size	.480 (.020) ***	-	-	-	-	-	.092 (.016) ***	−390.508	785.016	792.614
Full Model	.547 (.129) ***	.041 (.047)	−.015 (.005) **	−.004 (.003)	.000 (.001)	−.002 (.001) *	.061 (.012) ***	−372.163	758.326	784.920
Preferred Model (AIC)	.541 (.131) ***	.044 (.049)	−.017 (.005) ***	−.001 (.001) *	←	←	.063 (.013) ***	−372.727	755.455	774.450
Preferred Model (BIC)	.676 (.068) ***	→	−.013 (.005) **	−.001 (.001) *	←	←	.065 (.013) ***	−373.908	755.816	771.012
Environmentality
Mean Effect Size	.515 (.020) ***	-	-	-	-	-	.091 (.016) ***	−395.508	795.016	802.614
Full Model	.453 (.128) ***	−.041 (.047)	.014 (.006) **	.005 (.003)	.000 (.001)	.002 (.001) *	.061 (.012) ***	−376.736	767.473	794.067
Preferred Model (AIC)	.460 (.131) ***	−.045 (.048)	.016 (.005) **	.002 (.001) *	←	←	.063 (.012) ***	−377.461	764.921	783.917
Preferred Model (BIC)	.324 (.067) ***	→	.013 (.005) *	.002 (.001) *	←	←	.065 (.013) ***	−378.660	765.320	780.516
Corrected Environmentality
Mean Effect Size	.311 (.023) ***	-	-	-	-	-	.083 (.017) ***	−388.250	780.499	788.085
Full Model	.307 (.194)	−.042 (.077)	.009 (.006)	.006 (.004)	.000 (.001)	−.002 (.001)	.066 (.013) ***	−377.545	769.090	795.641
Preferred Model (AIC and BIC)	.187 (.053) ***	→	→	.006 (.002) **	−.001 (.001)	←	.067 (.013) ***	−378.445	764.981	780.063

Note. b₀ represents the intercept; b_0–3 represents the coefficient for the first linear segment, b_3–15 represents the following segment and so on until b_60–90. For simplified models, arrows are used to indicate the parameter estimate that applies during the given developmental period. τ represents the random-effect standard deviation in the between study effect size.

^*indicates p < .05;

^**indicates p < .01;

^***indicates p < .001.