Explain the difference between internal and external evidence. How can each of these types of evidence be utilized for quality improvement in the clinical setting? 

Your initial posting should be at least 400 words in length and utilize at least one scholarly source other than the textbook. 

Learning Materials 

• Melnyk, B. M. & Fineout-Overholt, E. (2015). Evidence-based practice in nursing & healthcare: A guide to best practice (3rd ed.) Philadelphia, PA: Wolters Kluwer Health. ISBN: 978-1-4511-9094-6. Read Chapters 4 and 5.