"We're proposing that health researchers get involved in projects like housing, like economic development, certainly educational projects, and study the health effects hopefully the health benefits of these complex social, economic interactions.

VOA: special.2009.07.20

This is a study done by National System of Educational Progress.

这项研究,是由国家教育发展组织所做的。

麻省理工公开课 - 媒体、教育、市场课程节选