Tool for sample size calculations for tributary survival studies.
Guidance on use of CBR software is provided in the user's manual. Individual assistance can be requested by emailing web@cbr.washington.edu — we are happy to answer questions on our software.
Note: The PitPro manual was tested for screen-reading accessibility using NVDA, which can be found at the NVDA Download Page. It is recommended that users set speech to read "some" punctuation/symbol levels with this manual. If the user runs into any accessibility issues with the manual or the program, please contact the previously mentioned email. We are happy to work with our users to make our products more accessible to all.

