Table 4 

Empirical type I error rate for random correlation structure when all Embedded Image based on multivariate normal distribution

Sample sizeNo. traitsTrait correlationNominal type I error rate
0.050.01
10040–0.20.0050
0.2–0.50.0120.001
0.5–0.80.0140.001
100–0.20.0180.002
0.2–0.50.010.002
0.5–0.80.0290.004
50040–0.20.0040
0.2–0.50.0090
0.5–0.80.0070.001
100–0.20.0090
0.2–0.50.0090.001
0.5–0.80.0190.005
100040–0.20.0060.001
0.2–0.50.0060
0.5–0.80.0040
100–0.20.010.002
0.2–0.50.010
0.5–0.80.010