The use of error rates to predict and characterize the efficacy of presumptive field tests Posted on November 28, 2022 By Becky Carter Keith B. Morris PhD, Jamie S. Spaulding, PhD, Jennifer N. Ho BS J Forensic Sci; 67(1); 2022 Access article Cannabis and Cannabinoids, Crime Scene Investigation and Reconstruction, DREs / Traffic Safety Resource Prosecutors, Seized Drugs/Controlled Substances, Statistics and Data Analysis