Learning Goal: I’m working on a psychology exercise and need guidance to help me learn.Imagine that your Learning Team has received funding to study changes in sexual attitudes over time. Your task is to design a developmental research study to investigate this issue. Your team will outline one of the following: cross-sectional study, longitudinal study or sequential study. Identify which type of design your team decided to use and explain why you decided on this method. (SEE FILE ATTACHED) Type of design (cross-sectional, longitudinal or sequential) and rational for selecting this type of design Propose a research hypothesis and a null hypothesis.