The new analysis included 28 studies of more than 300,000 people.
Basic research is the study of people or animals to learn more about them.
For me, history is a study of people and their motivations.
More recently, Australian researchers looked at 18 studies of nearly 458,000 people.
The study of 10,000 people over 5 years was halted early because results were so encouraging.
There have been several studies of sighted people with the disorder.
The book is a study of people struggling against the elements to make a new life on the prairie.
The 70s were dominated by naturalistic studies of people learning English as a second language.
I'm making a study of people in the lobster and fishing industry.