Table 2.

Marginal decrease in sample size for increasing the number of measures given various correlations between measures. The table refers to the case where no baseline measures are taken.

	Correlation
Measures	0	0.15	0.35	0.5	0.65	0.85	1
2	-50.0%	-42.5%	-32.5%	-25.0%	-17.5%	-7.5%	0%
3	-16.7%	-14.2%	-10.8%	-8.3%	-5.8%	-2.5%	0%
4	-8.3%	-7.1%	-5.4%	-4.2%	-2.9%	-1.3%	0%
5	-5.0%	-4.3%	-3.3%	-2.5%	-1.8%	-0.8%	0%
6	-3.3%	-2.8%	-2.2%	-1.7%	-1.2%	-0.5%	0%
7	-2.4%	-2.0%	-1.5%	-1.2%	-0.8%	-0.4%	0%
8	-1.8%	-1.5%	-1.2%	-0.9%	-0.6%	-0.3%	0%
9	-1.4%	-1.2%	-0.9%	-0.7%	-0.5%	-0.2%	0%
10	-1.1%	-0.9%	-0.7%	-0.6%	-0.4%	-0.2%	0%
11	-0.9%	-0.8%	-0.6%	-0.5%	-0.3%	-0.1%	0%
15	-0.5%	-0.4%	-0.3%	-0.2%	-0.2%	-0.1%	0%