Defining Internal and External Evidence

Document Type:Research Paper

Subject Area:Nursing

Document 1

internal evidence search essentially involves the collection and gathering of all the locally available and quality outcome data on the probe question. To this, internal data on the possible benefits of early mobilization after acute stroke would include data sources such as existing consensus opinions on the issue, experimental data and information from practitioners and professionals, as well as clinical expertise on the issue (Salmond, 2007). External evidence on the other hand will ideally involve the collection of all the relevant available research on the issue. To collect external evidence, one would need to conduct extensive searches and reviews of existing literature on the topic (Pierce, 2009). To this, it requires that one conducts a general web search as well as a data bank search relating to the topic or question.

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similarly, the Cochrane Database of Systematic reviews also offers an organized display of credible resources that are easy to retrieve and review. Importantly, each of the databases has a search option that makes usability all the more, simpler. The articles and resources on these databanks are from scholarly journals and academic sources that add to their credibility. The articles are written by experts, unlike in the general searches, where the information could be posted by anyone with internet connectivity and writing skills. However, such databases are also disadvantageous, given that a majority are accessible on subscription, and may make the searching expensive in the long run. Twelve steps for success in the nursing research journey. Journal of Continuing Education in Nursing, 40(4), 154–164.

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