The studies -- in which parents were asked about day care and playgroup attendance -- varied when it came to the timing, duration and extent of social interaction with other children, the researchers.

被回顾的各个研究，其形式一般是询问父母孩子上日托班和幼儿游戏组的情况，而结果随研究的开展日期，持续时间，与其他孩子交往程度不同而不同。

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The studies -- in which parents were asked about day care and playgroup attendance -- varied when it came to the timing, duration and extent of social interaction with other children, the researchers.

被回顾的各个研究，其形式一般是询问父母孩子上日托班和幼儿游戏组的情况，而结果随研究的开展日期，持续时间，与其他孩子交往程度不同而不同。

youdao