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.
A prospective study follows patients forward in time, while an observational study tracks what happens without assigning participants to different treatments.
From Science Daily ● Sep. 14, 2026
Because the study was observational and conducted at a single center, it cannot show that vitamin D deficiency directly caused patients to experience more pain or use more opioids.
From Science Daily ● Sep. 14, 2026
The researchers cautioned that the study was observational, meaning it can identify associations but cannot establish that sugar-sweetened beverages directly cause gastric cancer.
From Science Daily ● Sep. 10, 2026
From Manhattan skyscrapers to rural barns, the subject matter shows that her observational skills could be focused as intently on the manmade world as on the natural one.
From The Wall Street Journal ● Sep. 6, 2026
This picture of a universe that started off very hot and cooled as it expanded is in agreement with all the observational evidence that we have today.
From "A Brief History of Time: And Other Essays" by Stephen Hawking
Vocabulary lists containing observational
