Get Critical Appraisal On Opinion Evidence

Opinion evidence from a "lay" witness is admissible if it is based on what the witness saw, heard or otherwise perceived about a matter or event, and evidence of the opinion is necessary to obtain an adequate account or understanding of the witness' perception of the matter or event (Evidence Act 2008 s78).

Opinion evidence refers to evidence of what the witness thinks, believes, or infers in regard to facts, as distinguished from personal knowledge of the facts themselves.

Evidence of an opinion is not admissible to prove the existence of a fact about the existence of which the opinion was expressed.

The method by means of. which obtained results are based on the opinions and assessments of competent experts is called an. expertise, an expert's opinion or the method of expert assessment. The aim of the research: to substantiate. theoretically the expertise as a research method in education science.

Expert evidence is opinion evidence and it can't take the place of substantive evidence. It is a rule of procedure that expert evidence must be corroborated either by clear direct evidence or by circumstantial evidence.

Evidence of an opinion is not admissible to prove the existence of a fact about the existence of which the opinion was expressed.

The authors define evidence as facts intended for use in support of a conclusion and opinion as a view or judgment formed about something, not necessarily based on facts. The statement they present as an example of evidence I had prostate cancer detected by PSA screening and I am alive 10 years later includes two ...

To be admissible in court, the evidence must be relevant (i.e., material and having probative value) and not outweighed by countervailing considerations (e.g., the evidence is unfairly prejudicial, confusing, a waste of time, privileged, or based on hearsay).

Evidence from well-designed case-control or cohort studies. Evidence from systematic reviews of descriptive and qualitative studies (meta-synthesis). Evidence from a single descriptive or qualitative study. Evidence from the opinion of authorities and/or reports of expert committees.

Expert evidence is opinion evidence and it can't take the place of substantive evidence. It is a rule of procedure that expert evidence must be corroborated either by clear direct evidence or by circumstantial evidence.