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A Cohort Comparison of Midlife Marital Quality: A Quarter Century of Change
Matthew R Wright1, Susan L Brown2, Wendy D Manning2
1Appalachian State University, Boone, NC, USA.
Abstract:
Marital quality has been declining among recent cohorts, but whether this pattern characterizes middle-aged and older married adults is largely unknown. The doubling of the divorce rate among persons over the age of 50 years foretells poorer quality marriages for today's midlife adults than a generation ago. Combining data on married individuals aged 50-65 years from the 1987-88 National Survey of Families and Households (NSFH) and the 2013 Families and Relationships Study, we conduct a cohort comparison of five dimensions of midlife marital quality. Today's older adults report more marital disagreement and instability as well as less fairness and interaction with their spouses than their counterparts did a generation ago. The two cohorts report comparable levels of marital happiness. Consistent with the upward trend in divorce during the second half of life, the quality of midlife marriages appears to have declined over the past quarter century.
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Equivalent Couples
Two couples are considered to be equivalent if they produce the same rotational effect on a rigid body. In other words, the two couples have the same magnitude and act in the same direction, causing the same angular displacement or acceleration in the body.
For instance, consider two couples lying in the plane of the page, with one having a pair of equal...

