Topic 4 DQ 2.2

Please respond with a paragraph to the following post, add citations and references.

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The strength or validity of the best research evidence in an area depends on the quality and quantity of the studies that have been conducted in regards to that area. Quantitative studies provide the strongest research evidence. Systematic research reviews and meta-analyses of high quality, experimental studies provide the strongest or best research evidence used by expert clinicians in practice to determine best evidence-based practice. The weakest evidence comes from expert opinions, which can include expert clinicians’ opinions, or the opinions expressed in committee reports.

The levels of best research evidence listed from strongest to weakest are:

Systematic review of experimental studies
Meta-analysis of experimental, quasi-experimental and outcomes studies
Integrative reviews of experimental, quasi-experimental and outcomes studies
Single experimental study
Single quasi-experimental study
Meta-analysis of correlational studies
Integrative reviews of correlational and descriptive studies
Qualitative research meta-synthesis and meta-summaries
Single correlational study
Single qualitative or descriptive study
Opinions of respected authorities based on clinical evidence, reports of expert committees
References

Grove, S., Gray, J., & Burns, N. (2015). Understanding Nursing Research: Building an Evidence Based Practice. Retrieved from https://pageburstls.elsevier.com/#/books/978145577…

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