When you develop a research project, you need to have a reliable and valid metho

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?
please note my anticipated research proposal:  effectiveness of telemedicine in nursing regarding patient satisfaction, and cost-effectiveness compared to traditional in-person care?