number of trials

(e.g.: 1000)

statistically significant

(e.g.: p < 0.05)

statistically ns

(e.g.: p > 0.05)

n=

Hnull true (TER = 0.1 => n = 100)

false positive (0.05 × 100 = 5)

true negative

(0・95 × 100 = 95)

100

Hnull false (TER = 0.1 => n = 900)

true positive (0・80 × 900 = 720)

false negative (0・20 × 900 = 180)

900

n=

725

275

1000

Delta error = (false positive)/(all positive)

(5 × 100/725 = 0.69 %)

Epsilon error = (false negative)/(all negative) (180 × 100/275 = 65%)