We studied only children who were born and had cancer diagnosed in the study area.

Researchers who study older children also rarely ask children for their opinions.

One big reason for this - or so the people at Nokia believe - was that they spent a lot of time studying children.

I've been studying children for 35 years, and they're exactly the same as they were 30 years ago before these life style changes hit society.

Our board has given me permission to study children as young as 7.

Researchers have studied feral children, who are called that because they grew up with only animals for company.

They have studied deaf children who had not been taught to sign.

The work of feminist pornography includes studying women, children and men in the industry.

She has studied children who were helped to think through and talk about a situation like being offered alcohol at a party.

She was then asked to study children in two German orphanages.