Table 3.

Estimated sample size under the alternative hypothesis needed to reject the null hypothesis with 70% or 90% power (α=.05).

DGM				Power
Model for HA	Condition of HA		Model for H0	70%	90%
Cholesky with GxM	high rAM	high AxM	Chol	25	40
	high rAM	low AxM		20	31
	low rAM	high AxM		25	38
	low rAM	low AxM		18	28
	high rAM	high AxM	NLMain	30	46
	high rAM	low AxM		22	33
	low rAM	high AxM		26	40
	low rAM	low AxM		22	33
	high rAM	high AxM	NLMainGxM	570	910
	high rAM	low AxM		545	720
	low rAM	high AxM		250	395
	low rAM	low AxM		280	440
NL Main Effects with GxM	large β2		NLMain	40	65
	small β2			150	165
NL Main Effects	large β2		LinMain	150	255
	small β2			1680	1930