Table 3. Factors by which the expected margin of error for a 90% confidence interval (95% one-sided confidence limit) is overestimated or underestimated for select sample sizes (m).

	Test	Paired test for level change				2-sample test for level change
ρ	type	m = 4	8	12	100	2m = 8	16	24	200
-0.33	serial	2.33	1.25	1.14	1.01	1.46	1.18	1.11	1.01
	usual	1.66	1.49	1.46	1.41	1.50	1.44	1.43	1.41
0.00	serial	2.00	1.21	1.09	1.00	1.19	1.05	1.03	1.00
	usual	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
0.33	serial	1.22	1.11	1.04	1.00	0.80	0.89	0.92	0.99
	usual	0.43	0.59	0.64	0.70	0.57	0.65	0.67	0.71
0.67	serial	0.11	0.55	0.78	0.98	0.24	0.52	0.66	0.96
	usual	0.03	0.17	0.26	0.42	0.15	0.29	0.34	0.43
	Test	Paired test for rate change				2-sample test for rate change
ρ	type	m = 5	8	12	100	2m = 10	16	24	200
-0.33	serial	1.14	1.09	1.05	1.00	1.06	1.06	1.04	1.00
	usual	1.55	1.44	1.41	1.41	1.40	1.38	1.38	1.40
0.00	serial	0.85	0.96	0.97	0.99	0.83	0.91	0.94	0.99
	usual	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
0.33	serial	0.45	0.71	0.83	0.98	0.55	0.71	0.80	0.97
	usual	0.47	0.60	0.65	0.70	0.62	0.67	0.69	0.71
0.67	serial	0.04	0.23	0.45	0.94	0.17	0.37	0.51	0.93
	usual	0.04	0.16	0.26	0.43	0.18	0.31	0.36	0.43