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.

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

From The Wall Street Journal • May 21, 2026

Such observational research alone doesn’t prove that natural food colors harm health.

From The Wall Street Journal • May 20, 2026

Because the study was observational and conducted at a single medical center, it cannot prove that low vitamin D directly caused the increase in pain.

From Science Daily • May 20, 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

Even with my observational data and the magazine article, would my parents believe me?

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas