Please help me with this paper

Read the article Cognitive effects of risperidone in children with autism and irritable behavior, and identify the research questions and/or hypotheses as they are stated. Consider the following questions: What are the variables (sample sizes, population, treatments, etc.)? How was the analysis of variance used in this article (and what type of ANOVA was used)?

Write a two- to three-page paper presenting the information listed below.  In addition, provide a title page and reference page in APA style.  Cite any references made to the article within the body of the paper in APA style. Your paper should begin with an introductory paragraph (including a thesis statement) and end with a concluding paragraph summarizing the major points made in the body of the paper and reaffirming the thesis.

Please include the following in the body of your paper:

1. Determine what question(s) the authors are trying to answer by doing this research.
2. Determine the hypothesis being tested and the concepts that were applied in this process.
3. Evaluate the article and critique the statistical analysis employed in the study.  Would you have included more and/or different variables? Explain your answer.
4. Examine the assumptions and limitations of the statistical study. What would you have done differently in this case? Explain your answer.
5. Identify how the authors applied statistical testing to the problem.
6. Interpret the findings of the author(s) using statistical concepts.