Expert Opinion is also one of the methods for evaluating evidence. Compare to Systematic Review, Expert Opinion provides weaker evidence results and may increase the bias (Matthews, 2017). However, in some situations, the expert opinion can provide fairly evidence to support the research when the current evidence of the research is inadequate (Grove, Gray & Burns, 2014). In addition, Expert Opinion can be the source of Knowledge to aid the research. Both ways can help to evaluate evidence and provide the validity of the evidence. …show more content…
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Matthews, J. (2017, June 28). Evaluating Scientific Evidence. Food Insight, p. 1. Retrieved from