Experimental Design:Experimental design is the process of planning and conducting an experiment to test cause-and-effect relationships between variables.
Survey: A survey is a research technique that involves asking individuals questions about their opinions, behaviors, or experiences through interviews, questionnaires, or online forms.
Correlational Study:Correlational study is a research technique that examines the relationship between two variables without manipulating them. It determines if there is a statistical association between variables but does not establish causation.