4.7 Evidence-Based Practice

You will need to look at all the evidence to make recommendations about changes to nursing practice. There is a scale that you can use to decide which kinds of studies rank more highly than others:

Hierarchy of Research Designs & levels of scientific evidence graphic

There's actually one more level below animal and lab research. When you search through the evidence, watch out for opinions—even opinions from experts. Without hard data to back them up, opinion articles are not very credible.

This is the end of Part Four

Test your knowledge with the quiz in Canvas.

Continue to Part Five.

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