Kunzmann, Ute; Richter, David; Schmukle, Stefan Christian - 2013
anger and sadness were explored. The cross-sectional and longitudinal findings consistently suggest that the frequency of … sadness remains stable over most of adulthood and begins to increase in old age. In addition, the effects of age on happiness … anger increases during young adulthood, but then shows a steady decrease until old age. By contrast, the frequency of …
