Birditt, Kira S.; Jackey, Lisa M. H.; Antonucci, Toni C. - In: Journals of Gerontology: Series B 64B (2009) 1, pp. 55-64
Some theories suggest that negative relationship quality decreases with age, whereas others suggest that it remains stable. This study examined negative relationship quality over time, by relationship type, and by age. A total of 1,361 adults aged 20--93 years in 1992 and 840 adults in 2005...