This document provides an overview of mixed-methods research. It defines mixed-methods research as involving both quantitative and qualitative research methods in a single study to provide a more complete understanding than either method alone. It notes that mixed-methods research started in the 1950s and has become prominent in educational research. Examples of mixed-methods studies are provided. The document also discusses different views on what mixed-methods entails, advantages like clarifying relationships, and challenges such as being time-consuming. Three common mixed-methods research designs - exploratory, explanatory, and triangulation - are outlined.