Discussion Post
Answer the following the questions
• Provide examples of experimental and non-experimental research design. Contrast the levels of control applied to each.
• Describe sampling theory and provide examples to illustrate your definition. Discuss generalizability as it applies to nursing research.
• Compare independent variables, dependent variables, and extraneous variables. Describe two ways that researchers attempt to control extraneous variables. Support your answer with peer-reviewed articles.
• Describe the "levels of evidence" and provide an example of the type of practice change that could result from each.
The response should include a reference list. Using one-inch margins, Times New Roman 12 pnt font, double-space and APA style of writing and citations.