Explain the difference between a conceptual definition and an operational definition. 2. Describe the relationship between research and theory. 3. In the quantitative and qualitative studies posted for this module, did the authors identify a conceptual or theoretical model or framework for their study? If yes, describe the model or framework. http://www.youtube.com/watch?v=j2c8G0bBfHk http://www.youtube.com/watch?v=XLMwtNDi1ok Please add this textbook as a reference along with the videos and article provided Polit, D., & Beck, C. (2018). Essentials of nursing research (9th ed.). Philadelphia: Wolters Kluwer – Lippincott Williams & Wilkins.