What theory or theories guided the authors in their research?

you will be required to summarize the research reported in the paper and provide a critical evaluation focusing on the following questions.
1. What theory or theories guided the authors in their research?
2. What questions did the authors ask in their research?
3. What were the authors’ hypotheses? How were the hypotheses justified on the basis of background research and theory?
4. For each experiment, what were the independent variables? Why were these variables manipulated?
5. What were the dependent variables and how were they measured?
6. How did the results support or not support the authors’ hypothesis?
7. What were the authors’ conclusions?
8. Did the study have any weaknesses (e.g., confounding variables, ambiguity in the operational definition of variables, etc.)?
9. Were the results explained by any alternative hypotheses?
The paper should be approximately 4 pages long, double spaced. The font size should be at least 12.