Problem: Internal and External Validity of Research Designs
• (300 words) Compare and contrast internal and external validity of research designs.
• (300 words) What is the pros and cons to internal and external validity of research designs.
• (300 words) How can internal and external validity of research designs benefit evidence base practice and the healthcare industry?
• (500 words) Find a study evidence base practice study related to the PICOT question below, and examine it to see which of the threats to internal and external validity is present in that study and why?
The response must include a reference list. Using one-inch margins, double-space, Times New Roman 12 pnt font and APA style of writing and citations.