Source describes from where information comes. Most of the resources you find will fall into three different types of sources:
Primary Sources are a single piece of original research, a report of a new discovery, or fresh information.
Examples include:
Why you might use a primary source:
Secondary Sources cite primary sources and seek to comment on, explain through comparison, or summarize those primary sources.
Examples include:
Why you might use a secondary source:
Tertiary Sources cite primary and secondary sources and are more about presenting background information on a concept or compiling best practices from the evidence.
Examples include:
Why you might choose a tertiary source:
Critical appraisal allows you to objectively and systematically evaluate the quality of scientific research to determine its relevance, trustworthiness, and value. Critical appraisal checklists can help you assess the methodology of a study and the analysis of its data.
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