Grades have been inflated and this is occurring because teachers are using more subjective methods of grading (edsource.org)
At present, ASD is identified using subjective methods such as parent report, interviews, and clinician observations. (sciencedaily.com)
Residue analysis got started in the 1970s, but materials were often identified by their visual appearance under a microscope — a highly subjective method. (discovermagazine.com)