How can I tell if a study uses qualitative or quantitative methods?
How can I find an article using a specific methodology?
Answer
Qualitative research emphasizes people's beliefs, experiences, attitudes, behavior, and interactions through non-numerical data. Data in qualitative research is commonly collected through interviews, focus groups, and observations or by interpreting human behavior and materials culture using theoretical frameworks.
Quantitative research emphasizes measurements and the statistical, mathematical, or numerical analysis of data. Data in quantitative research is commonly collected through polls, questionnaires, and surveys or by manipulating preexisting statistical data using computational techniques.
Some library databases, such as PsycINFO allow you to narrow your results to a particular methodology. 
Alternatively, you can add keywords to your search such as "qualitative," "focus group," or "mixed methods research" to your search to target certain methodologies. To learn more about specific research methods, explore the library's Sage Research Methods Methods Map, a visualization that demonstrates how research methods are related and can connect you to relevant content.
If you would like help determining an articles methods, ask a librarian!