. Author manuscript; available in PMC: 2009 Aug 30.

Published in final edited form as: Stat Med. 2008 Aug 30;27(19):3847–3867. doi: 10.1002/sim.3274

Table I.

Type I error rates for testing the equality of marginal correlation ρ_Y₁Y₂ and partial correlation ρ_{Y₁Y₂ ` X₁} when sample size is 50

Condition	ρ _Y₁X₁	ρ _Y₂X₁	ρ _Y₁Y₂	r	Fisher's z	r adjusted	Fisher's z adjusted
1	0	0.05	0	.0004	.0003	.0005	.0004
2	0.05	0.10	.7991	.0003	.0008	.0005	.0010
3	0.10	0.30	.5901	.0054	.0068	.0066	.0087
4	0.10	0.50	.3615	.0240	.0225	.0284	.0270
5	0.10	0.70	.2418	.0498	.0456	.0520	.0486
6	0.10	0.90	.1589	.0548	.0476	.0554	.0484
7	0.10	0.95	.1378	.0589	.0511	.0593	.0513
8	0.30	0.50	.8627	.0170	.0326	.0195	.0365
9	0.30	0.70	.6588	.0386	.0464	.0401	.0490
10	0.30	0.90	.4622	.0517	.0515	.0529	.0527
11	0.30	0.95	.4059	.0528	.0492	.0533	.0499
12	0.50	0.70	.9173	.0282	.0465	.0289	.0487
13	0.50	0.90	.7229	.0390	.0483	.0397	.0490
14	0.50	0.95	.6511	.0415	.0463	.0416	.0469
15	0.70	0.90	.9148	.0331	.0515	.0333	.0517
16	0.70	0.95	.8558	.0372	.0506	.0373	.0508
17	0.90	0.95	.9897	.0296	.0527	.0297	.0529