Cross section research involves studying a specific slice or subsection of a larger population or sample. This approach allows researchers to delve deeper into a particular aspect or characteristic within a group, rather than focusing on the group as a whole. Cross-sectional studies are typically used to examine trends, behaviors, or relationships within a specific time frame, and are often used in disciplines such as psychology, sociology, and public health. These studies can provide valuable insights and data for understanding a particular phenomenon or issue within a specific group of individuals.