| Article ID: | iaor19972594 |
| Country: | Germany |
| Volume: | 44 |
| Issue: | 1 |
| Start Page Number: | 1 |
| End Page Number: | 8 |
| Publication Date: | Jul 1996 |
| Journal: | Metrika |
| Authors: | Stute W. |
The paper investigates properties of the sequential probability ratio test when the data are at risk of being censored. It turns out that the stopping boundaries are the same as for completely observable data, but that the average sample size increases as censoring becomes more substantial.