Table 2.

Educational achievement (Eindtoets Basisonderwijs test scores): Posterior means (SD) of the variance components

	Posterior mean (SD)	HPD
${\mathit{\sigma }}_A^2$	0.66 (0.05)	[0.57;0.76]
${\mathit{\sigma }}_C^2$	0.16 (0.04)	[0.09;0.24]
${\mathit{\sigma }}_E^2$	0.20 (0.02)	[0.17;0.23]
$h^2$	0.64 (0.04)	[0.56;0.72]

HPD refers to the 95 % highest posterior density interval