This presentation, now available to view for free, was given as a part of the Center for Statistics and Applications in Forensic Evidence’s (CSAFE) 2020 All Hands Meeting. The meeting brings together researchers, forensic partners, and interested community members to discover potential areas for collaboration, highlight the organization’s achievements, and discuss goals for the future. …
Measurement Uncertainty
Measurement Uncertainty
Any scientific measurement has some error associated with it. The concept of “measurement uncertainty” means that for even the most carefully performed measurement, the value of the thing being measured can never be known exactly – only an estimated value can be given. Measurement uncertainty and error rates can come into play in forensic science …
WPDCL Control Limits and Control Charts
WPDCL Control Limits and Control Charts
WPDCL Weighing SOP
WPDCL Quality Management System Procedure for Weighing
WPDCL Measurement Traceability and UOM SOP
WPDCL Quality Management System Procedure for Measurement Traceability and Uncertainty
Measurement Science and Standards in Forensic Firearms Analysis Webcast – TODAY
The National Institute of Standards and Technology (NIST) is presenting a two-day conference which will address the techniques used in firearm and toolmark comparisons, the standards for this discipline, and efforts to apply more objective and quantitative measurment based techniques to this type of analysis. This conference is being broadcast live online on July 10-11, …
Measurement Science and Standards in Forensic Firearms Analysis Webcast – TODAYRead More
Measurement Science and Standards in Support of Forensic Science
Judge Rules DUI Blood Tests Require Error Rate Report
People v. Jabrocki
79th District Court for the County of Mason, Michigan – May 6, 2011 opinion holding that “calculation of an uncertainty budget or error rate and the reporting of the same is an essential element of the scientific methodology for analyzing blood alcohol content using gas chromatography” and denying the prosecution’s Motion to Admit the blood …
City of Kent v. McDaniel
May 4, 2011 Order Suppressing Defendant’s Breath-Alcohol Measurements in the Absence of a Measurement for Uncertainty
State v. Fausto
Sept. 21, 2010 Order Suppressing Defendant’s Breath-Alcohol Measurements in the Absence of a Measurement for Uncertainty, District Court of King County, WA
State v. Weimer
March 23, 2010 Memorandum Decision on Motion to Suppress, Snohomish County District Court, Washington holding that to allow the numerical value of blood alcohol tests without stating a confidence level violates Rule of Evidence 403 because the probative value of the evidence is substantially outweighed by its prejudicial value.