Problem: Jordan is designing a study to determine whether listening to music while studying improves memory retention in college students. He plans to have one group study with music and another group study in silence, then compare their test scores. However, he hasn't yet decided how to select participants or how to measure memory retention. Respond to the following: Identify and explain at least 2 important elements of research design that Jordan needs to consider (e.g., sampling methods and data collection methods, etc.). Explain why these elements are essential for conducting a valid and reliable study. Need Assignment Help?