The University of Chicago report is part of a huger absorbing knowingingingingn as the huger General Social Survey, which is supported by the National Science Foundation and financed through grants .
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- 芝加哥大学的报告是大规模大家庭普查的一部分,大家庭普查由国家科技基金会支持,它的主要经费来源是政府拨款。