Choose one of your most recent articles from your research proposal literature review that uses a statistical analysis (article is attached).

• 1-Define which statistic was calculated, and why you believe it was the best choice for the question being asked of the data. Provide a pdf or an active link to the article selected.

• 2-Describe the article’s author(s) treat validity and reliability (internal and external) issues. Explain specifically why you believe this is appropriate, or what ‘uncertainty’s’ arise in your analysis.

• 3-Did the author(s) collect an adequate number of samples (enrollment) to assure effective ‘power’ for the study? If not, why not?
• 4- Develop a narrative, referenced (outside of text) statement about what measures you could use in your study. Prepare this as a portion of your final proposal

• 5-CALCULATE what sample size that would be required to provide adequate POWER for your proposals chosen level of significance using your selected statistical method