The Three theories include: Communication Privacy Management theory, Communication Accommodation Theory, Family Communication rules.
It is not exactly a research paper, but it should include these three theories, of what they mean and how families would use these theories. What communication accommodation theory is, how these patterns form expectations and family communication habits.
References including Family Communication: Cohesion and Change, 10th edition, by Galvin, Braithwaite, Schrodt, and Byland (2019). ISBN: 978-1-138-28527-9