Please use the article that I provide in the attachment and define which statistic was calculated, and why you believe it was the best choice for the question being asked of the data

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.

Did the author(s) collect an adequate number of samples (enrollment) to assure effective ‘power’ for the study? If not, why not?

Develop a narrative, referenced (outside of text) statement about what measures you could use in your study “ please see and read my first research proposal draft. Prepare this as a portion of your final proposal

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