What do social psychologists call the interpersonal attraction that involves a set of rules, often informal, that must be followed if a relationship is to persist?

In the United States, almost half of all IVF babies are low-birthweight twins or triplets

Indicate whether this statement is true or false.

Vanna's mother is ill and Vanna is feeling overwhelmed and sad. To cope with this stress of her mother's illness, Vanna has been writing her feelings down in a journal. Vanna is using __________

a) problem-focused coping. b) emotion-focused coping. c) distraction. d) reappraisal.