Final answer:
Life stories are indeed considered psychosocial constructions, co-authored with culture and personal relationships, and constantly evolving to offer provisional integration throughout an individual's lifespan. Such narratives are supported by theories like Erikson's psychosocial development theory and modern family life course models.
Step-by-step explanation:
The assertion that life stories are psychosocial constructions, co-authored with culture and in personal relationships, is TRUE. Life narratives are indeed constructed through both psychological factors and social contexts. Our interactions with others, the cultural norms we engage with, and the relationships we foster shape our personal identities and contribute to the continual re-authoring of our life stories. These stories provide provisional integration, which means although they may change, they offer a temporary sense of wholeness to our experiences as we move through time. Theories like Erikson's psychosocial development theory support the idea that personality develops throughout the lifespan and is influenced by social interactions. Additionally, modern family life course models reinforce the notion that life doesn't follow a rigid scheme but rather unfolds in a fluid manner, taking into account cultural shifts and personal relationships.