Methods Stratified random group sampling was adopted in survey.

方法采用多级随机抽样法。

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Methods: Adopting the methods of whole group sampling at random, study on 306 children aged 4-6 of 14 kindergartens in Jing an District of Shanghai.

方法：采用随机整群抽样方法，在上海市静安区抽取14所幼儿园306名4 ~ 6岁儿童进行了研究。

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Have each group write up its sampling, method and questions, and then exchange its poll with another group.

CNN: Student News Learning Activity: Polling

This group is just a sampling of the millions around the globe working to improve our food system.

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Henry, whose New England Sports Venture group completed their takeover of the club in October, was sampling his first Anfield experience along with newly-appointed director of football strategy Damien Comolli.

BBC: Liverpool 3-1 Napoli