A study with a smaller group of participants already enrolled in the main study.
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A study with a smaller group of participants already enrolled in the main study.
A person who uses math to help design a study and interpret the data.
All the participants in a study.
A person who joins a research study.
The steps of a research study from beginning to end.
A treatment given to the participants in a study
The way a study is set up to answer the study question.
Results that are very unlikely to have occurred by chance.
The usual treatment given to patients for an illness.
How well a medical test can accurately identify people who do not have a disease or trait.