Users visiting the website created for this study were asked to enter their weight, the food they'd eaten, and their physical activity.

VOA: standard.2010.07.30

What I'm going to ask you to do is track what you're eating, and to go to a website that will allow you to enter all your eating, and then it will print out a dietary analysis of that.

我希望你们能记录每天吃的东西,然后到相关网站输入你的饮食记录,之后打印出饮食分析报告

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选