observational

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In recent years, several observational studies have suggested that GLP-1 drugs may be associated with lower risks for certain cancers or improved outcomes among cancer survivors.

From Science Daily • Jun. 6, 2026

Because the research is observational, it can’t prove that ultraprocessed foods cause dementia and cognitive impairment.

From The Wall Street Journal • Jun. 3, 2026

These studies were observational, which differs from research done on drugs to study intended effects.

From The Wall Street Journal • May 21, 2026

The researchers reviewed observational studies, randomized clinical trials, and animal studies focused on repeated weight loss and regain.

From Science Daily • May 17, 2026

But I sometimes imagine that he merely slipped during a courageous and pioneering venture in observational geophysics.

From "Cosmos" by Carl Sagan