1. What is the research design of this study? Justify the use of this research design based on the objectives of the study and the identified variables.

2. Discuss comprehensively the threats to the validity in the study and how the researcher controlled these threats. Identify all the controls employed in this study and discuss how these affected its internal and external validity. comment also on possible threats that were not controlled in the study.

3. What were potential issues in reliability? discuss whether such issues arise in this study. Explain why these issues arise.

4. Describe the sampling method in the study. is the sampling method adequate to achieve a representative sample? are the potential biases in the sample discussed. Cite where in the study was sampling biased discussed.

5. Do you agree with all the statistical tests reported by the researcher? Describe the statistical test appropriate for this study and their assumptions. Justify use of these statistical tests.

6. T-Test and chi-square test were used in this study. Describe how they were used and what are the underlying assumptions in using both. What is the meaning of the P-values in Table 1 in Study? Which of the results and conclusions made by the researcher valid? Justify your answer.

7. Identify and Explain the weaknesses of the Study. If you were to conduct this study do you think it will yield the same result. Give support to your claims. How will you improve the study.