The National Research Council 's recently released assessment of graduate programs is more complex than ever. The methodology NRC used to determine its ranking ranges is grounded in statistics ...

Qualitative research in dentistry This paper explores the most common methods of data collection used in qualitative research: interviews and focus groups. The paper examines each method in detail ...

Pew Research Center is committed to meeting the highest methodological standards — and to exploring the newest frontiers of research. Learn more about the methods the Center uses to conduct objective, ...

The Matrix Method for Literature Reviews This handout is available for download in DOCX format and PDF format. What is the Matrix Method, and why should I use it? Using a review matrix enables you to ...