Week 4: Hierarchy of Evidence

Question 1

What is the hierarchy of evidence?

Answer 1

A hierarchy that shows how there are levels of strength to each type of study

Question 2

What is the general rule of the hierarchy?

Answer 2

As the level of evidence increases, the quality of evidence increases, due to the more robust research methods increasing the validity and reliability

Question 3

What is critical appraisal?

Answer 3

The process of carefully and systematically examining research to judge its trustworthiness and its value and relevance in a particular context

Question 4

How would you critically appraise?

Answer 4

Using CASP, which provides checklists and guidance to appraise every type of study

Question 5

What are benefits to the checklist?

Answer 5

They support the user to be systematic, increase consistency in decision making by providing framework, keeps a record of decision making