Experiments are systematic procedures carried out to test hypotheses and observe outcomes. They are fundamental to the scientific method, allowing researchers to establish cause-and-effect relationships by manipulating variables in a controlled environment. For instance, a clinical trial may test the efficacy of a new drug by comparing it to a placebo. In addition to scientific research, experiments can also be conducted in fields like psychology and education. These studies help to understand behaviors and learning processes. By analyzing the results, researchers can draw conclusions that contribute to knowledge in their respective fields, ultimately leading to advancements in technology and society.