statistic review/data analysis of research article

For the article liste fod below I need identify the following:

Section I: A Review of the Data Analysis 

In this section, provide a discussion of the following elements for each of the three types of statistics noted above.

• Research Problem: Summarize the problem or question(s) this research concerns.

• Data Collection and Source: Give a brief overview of how the data were collected. What is the source of the data (e.g., questionnaire, physiological data, existing statistical information)? In some studies, there are two or more sources of data.

• Variables: Identify the independent and dependent variables.

• Appropriateness of Statistical Analysis Test: 

• Describe the statistical analysis test used to study the hypotheses. 

• Name three assumptions met.

• Are the level of measurements of the variables appropriate for the test used in each study?

• Report Results:

• For the t test and the nonparametric test (chi-squared or other) in your articles:

• Include the alpha-level, the p-level, and whether the null was accepted or rejected.

• Briefly discuss how the findings contribute to healthcare.