Then the second effect kicks in: The boomers start to retire.
接着,第二个影响开始:婴儿潮出生的人开始退休。
The second effect was “range reduction”: In mathematical terms, correct answers became clustered at the group's edges.
第二个因素是“范围缩小“:用数学术语讲,正确的答案集中在群的边缘。
This second effect seems to have been greater during the recession, and in fact the correlation is strongest during its worst period, 2008-09.
在衰退中,上述第二种效应似乎表现得更为明显,实际上,在衰退最为严重的2008 - 2009年,这种关联最为紧密。
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