Experiment as a method in educational psychology is a systematic approach used to investigate the cause-and-effect relationships between variables affecting learning and behavior in educational settings. It involves manipulating one or more independent variables under controlled conditions to observe their effect on dependent variables, while keeping other extraneous factors constant. The primary goal of experimental research in educational psychology is to establish causal relationships that can inform teaching practices, learning strategies, and educational interventions. This method is widely employed to study phenomena such as memory, motivation, attention, learning difficulties, and the impact of instructional techniques on student performance. A key characteristic of the experimental method is control. Researchers often use laboratory or field experiments, depending on the nature of the study. Laboratory experiments provide