What is Research Instrument

Nowadays, researching and innovating teaching processes is vital for teachers at higher education to improve their teaching quality, especially in applied linguistics and language education. experimental research is a useful approach for researchers, educators, teachers and managers at universities. The chapter may aim to achieve the following objectives: (1) Present a comprehensive overview of experimental research methodologies; (2) Provide guidelines for designing experiments, including defining research questions, selecting appropriate variables, and establishing control conditions; (3) Discuss various data collection methods, including observation, surveys, and laboratory experiments; (4) Detail the importance of random assignment and statistical analysis techniques to ensure robust results; (5) Highlight ethical considerations and potential limitations in experimental research; (6) Showcase examples of successful experimental studies in different disciplines to provide practical insights.