<http://schema.org/description>
"According to a new study out of Queen's University, even very young children value people that help them and are motivated to return the favour. The study revealed that those children, when asked to pick one person to help, most often choose the person who was helpful to them."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2013-04-toddlers-people.html>