In the rapidly evolving landscape of English Medium Instruction (EMI), the need for comprehensive research methodologies has never been more pronounced. This pioneering guide offers an in-depth exploration into quantitative research methods tailored specifically for EMI. Going beyond the surface, the volume bridges the cultural divides of East and West, ensuring that insights are inclusive of diverse educational levels, settings, and backgrounds. Whether you're an academic researcher, a policy-maker, or an educator in the field, this book serves as an invaluable resource. Not only does it fill a notable gap in the literature, it also presents readers with practical, adaptable research strategies that can be employed globally, and is illustrated with a range of case studies that bring the methods to life. Understand the nuances of EMI across different contexts, and equip yourself with the tools needed to contribute meaningfully to the discourse on global EMI practices, challenges, and solutions.