Skip to main content
. 2008 Jun 20;466(9):2282–2288. doi: 10.1007/s11999-008-0346-9

Table 1.

Type I and Type II errors during hypothesis testing

Truth Study findings
Null hypothesis is not rejected Null hypothesis is rejected
Null hypothesis is true True negative Type I error (alpha) (False positive)
Null hypothesis is false Type II error (beta) (False negative) True positive