TABLE 4.

Percent relative bias of the correlation parameters based on uncorrected quasi-least squares (QLS) and matrix-adjusted QLS (MAQLS) for each simulation scenario when the treatment effect is zero

Correlations		Effect size	Design resource			Percent bias for τ		Percent bias for ρ
τ	ρ	δ	I	N	T	QLS	MAQLS	QLS	MAQLS
0.03	0.2	0	18	10	7	−26.6	3.5	−0.6	0.2
0.03	0.2	0	18	24	4	−16.0	5.5	−0.3	0.0
0.03	0.2	0	20	14	5	−20.2	3.4	−0.5	0.0
0.03	0.2	0	21	8	4	−29.4	3.2	−0.4	0.2
0.03	0.2	0	15	8	4	−41.3	4.7	−0.6	0.3
0.03	0.8	0	16	12	5	−26.2	4.4	−0.6	0.0
0.03	0.8	0	24	7	5	−27.7	0.6	−0.6	−0.1
0.03	0.8	0	12	8	5	−49.4	8.2	−2.1	−0.4
0.03	0.8	0	12	5	4	−74.2	6.6	−2.3	−0.5
0.03	0.8	0	10	5	3	−91.6	−0.4	−1.5	−0.5
0.10	0.2	0	21	11	8	−9.2	3.9	−0.6	0.6
0.10	0.2	0	24	11	7	−8.1	3.4	−0.4	0.6
0.10	0.2	0	15	16	6	−11.8	7.1	−0.6	1.1
0.10	0.2	0	18	8	7	−12.7	3.9	−0.8	0.7
0.10	0.2	0	16	7	5	−16.7	3.7	−0.7	1.0
0.10	0.8	0	20	18	5	−8.0	5.0	−0.1	0.2
0.10	0.8	0	15	9	4	−15.2	3.1	−0.2	0.2
0.10	0.8	0	10	20	3	−16.9	6.5	−0.1	0.3
0.10	0.8	0	12	5	5	−27.0	2.6	−1.5	0.0
0.10	0.8	0	9	7	4	−29.7	3.8	−1.0	0.1