Surveys of the beliefs and knowledge of legal professionals about factors that affect eyewitness accuracy suggest that judges and police officers are no more knowledgeable about eyewitness testimony than are jurors or the general public.
A majority, or a substantial minority, of the legal professionals surveyed in the US, Norway, Estonia, China and Sweden harbor ideas about eyewitness memory that are not supported by available research, which suggests that many court decisions may be based on folklore with little support in memory science.