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Measured by the quality of something rather than its quantity
Qualitative research is used to explore and understand people's beliefs, experiences, attitudes, or behaviours. It asks questions about how and why a "quality" is being measured by the research. Often the term "holistic" is used, meaning that the complexities of human behaviour are preserved in the study. Qualitative research might ask questions about why people want to stop smoking. It would not ask how many people have tried to stop smoking. It does not collect data in the form of numbers. Qualitative researchers use methods like focus groups and interviews.
Quality-adjusted life year
A numerical measurement that combines quality of life and life expectancy
Quality-adjusted life years
numerical measurement that combines quality of life and life expectancy
Measured by the quantity of something rather than its quality
In quantitative research, researchers collect data in the form of numbers. So they measure things or count things a "quantity" is being measured. Quantitative research might ask a question like how many people visit their GP each year, or what proportion of children have had an MMR vaccine, or whether a new drug lowers blood pressure more than drugs that are usually used. Quantitative researchers use methods like surveys and clinical trials.