Experimental Design: This term refers to a research design that allows researchers to manipulate variables and establish cause-and-effect relationships between them.
Survey Method: This term refers to a research method that involves collecting data through questionnaires or interviews in order to gather information about people's attitudes, beliefs, or behaviors.
Case Study: This term refers to an in-depth analysis of an individual, group, or event that aims at understanding complex phenomena within their real-life context.