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 .

• 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。