Open boundaries between public and private spheres are based on the postmodernist perspective on the family as a social institution.
This is a perspective that analyzes different aspects of society based on relativism and by rejecting old categories and paradigms.
This argues that families are affected by recent social changes. This includes recognizing the effects of urbanity in families such as the fact the boundaries between private and public spheres are quite flexible and this affects family quality time.
Learn more about postmodernism in: https://brainly.com/question/12042153