Please provide a Abstract paragraph, Introduction Paragraph, and conclusion paragraph for this assignment. Please use centered titles in bold font to outline the subject content of the paper. Assignment: Provide three example questions, one for each category that can be defined as a structured, semi-structured, and unstructured interview question. Provide a short justification for each choice. What are some issues you are likely to encounter with a study that focuses on childhood disease and illness? For example, what ethical and legal issues must you consider, and how can you cope with such issues as retention? Describe three techniques, methods, or recommendations you can use to promote retention in a study. Are there some additional personal examples you can lend that might not already be in the course materials? Please share. The assignment should be between 1500 and 2000 words in length and contain at least two scholarly sources, in addition to the textbook and provided material. Please submit your assignment in one APA formatted document.