Table 5 

Empirical type I error rate when Embedded Image and all other Embedded Image Embedded Image based on multivariate t distribution with 3 d.f., with common correlation structure

Sample sizeNo. traitsTrait correlationNominal type I error rate
0.050.01
10040.20.0420.011
0.50.0670.019
0.80.0570.015
100.20.0880.018
0.50.1040.028
0.80.0940.030
50040.20.0590.011
0.50.0380.007
0.80.0430.009
100.20.0410.016
0.50.0590.021
0.80.0500.010
100040.20.0520.006
0.50.0470.006
0.80.0540.009
100.20.0540.010
0.50.0580.015
0.80.0550.016
  • Underlined values are for when empirical type I error exceeds the upper 95% C.I.