Critique of a research article

Critique, detailed analysis incorporate the following:

1. Briefly describe the purpose of the research study.
2. Identify and explain the strengths and limitations of the sample of participants used in this research study.
3. Identify all the possible internal and external threats to validity from the research study you have identified.
4. Identify the ethical considerations for the people who were recruited to participate in this research study.
5. Compare and contrast the statistical research findings from the research study you have identified with at least 1 other research article.