A trouble shared is a trouble halved: The role of family identification and identification with humankind in well-being during the COVID-19 pandemic.

The COVID-19 pandemic has triggered health-related anxiety in ways that undermine peoples' mental and physical health. Contextual factors such as living in a high-risk area might further increase the risk of health deterioration. Based on the Social Identity Approach, we argue that social identities can not only be local that are characterized by social interactions, but also be global that are characterized by a symbolic sense of togetherness and that both of these can be a basis for health. In line with these ideas, we tested how identification with one's family and with humankind relates to stress and physical symptoms while experiencing health-related anxiety and being exposed to contextual risk factors. We tested our assumptions in a representative sample (N = 974) two-wave survey study with a 4-week time lag. The results show that anxiety at Time 1 was positively related to stress and physical symptoms at Time 2. Feeling exposed to risk factors related to lower physical health, but was unrelated to stress. Family identification and identification with humankind were both negatively associated with subsequent stress and family identification was negatively associated with subsequent physical symptoms. These findings suggest that for social identities to be beneficial for mental health, they can be embodied as well as symbolic.

The social curse: Evidence for a moderating effect of shared social identity on contagious stress reactions.

Contagious stress describes the transmission of a stress response from a distressed individual (target) to an uninvolved observer. Building on social identity theory, we hypothesize that a shared social identity between the observer and the target as compared to a personal identity increases the likelihood of contagious endocrine and psychological stress responses. Participants underwent the experiment in groups of four or five individuals. After experimentally inducing either a shared social identity or a personal identity, one participant in each group (Ntarget = 27) was randomly chosen to undergo the Trier Social Stress Test (TSST), while being observed by the rest of the group (Nobserver = 89). Salivary cortisol and psychological stress responses were assessed repeatedly during the experiment. As predicted, the likelihood of cortisol stress reactions was significantly higher in the social identity condition (25 %) as compared to the personal identity condition (7 %). No effect of our manipulation on psychological stress responses was found. We also tested whether observers' trait empathy moderates contagious stress and found no support for this moderation.