Final answer:
Marshall (2008) did not provide specific findings on intimacy. However, research shows that intimacy involves self-disclosure, partner disclosure, and perceived partner responsiveness in interpersonal exchanges.
Step-by-step explanation:
In regards to intimacy, Marshall (2008) did not provide any specific findings as mentioned in the question. However, research by Laurenceau, Barrett, and Pietromonaco (1998) has shown that intimacy is an interpersonal process that involves self-disclosure, partner disclosure, and perceived partner responsiveness in interpersonal exchanges.