the following question must be numbered. 1-3 references needed and citations. 1. When you develop a research project, you need to have a reliable and valid method of measurement in your study. Using your anticipated research proposal, how will you address the issues of reliability and validity? What concerns do you have over reliability and validity in your study and how will you overcome these concerns? Next, read two of your classmates’ posts and analyze how they addressed reliability and validity in their studies. Do you have any recommendations for improving reliability and validity? 2. Appropriate sampling is a critical component in developing a good research project. Using your approved research questions and research topic, explain your anticipated sampling method and why this is appropriate for your research proposal. What is your sample size? Next, read and review two of your classmates’ posts and analyze their sampling approach. Are their sampling approaches appropriate? Why or why not? 3. Appropriate data collection is a critical component in obtaining useful data for your research. Using your proposed research topic and research questions, explain your plan for data collection. Discuss potential issues in your data collection plan and your plans to overcome these challenges. Then, respond to at least two or your classmates’ posts and analyze their plan for data collection. Are their plans appropriate for their research project? Do you have any suggestions for improvement?