Is there an error rate associated with BPA methodology?
The answer should include an explanation that no error rate is associated with the methodology of BPA when it is conducted properly. Analysts should be prepared for additional questions regarding measurement errors and/or analyst errors. It should be emphasized that analyst error is different from errors in the method and that controls such as proficiency and competency testing may be used to evaluate analyst performance. Suggested Resources Laturnus, P. Measurement survey, International Association of Bloodstain Pattern Analysts News (1994) 10(3). Willis, C., Piranian, A. K., Donaggio, J. R., Barnett, R. J., and Rowe, W. F. Errors in the estimation of the distance of fall and angles of impact blood drops, Forensic Science International (2001) 123:1–4. 14. What administrative controls are used to ensure that BPA results are reliable? The answer should include an explanation of how case-file review and internal/external audits provide a means of administrative control for both form and
