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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Estudio de observación

Observational study (OB-ser-VAY-shuh-nul STUH-dee)
A type of study in which individuals are observed or certain outcomes are measured. No attempt is made to affect the outcome (for example, no treatment is given).



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.