In response to a suggestion made by Juan, Melanie says, "I agree with Juan's suggestion about how we should proceed. Thanks for keeping us on track, Juan." Melanie made which type of contribution?

The two key concepts associated with social penetration theory are

a. depth and intimacy. b. depth and breadth. c. intimacy and breadth. d. topics and depth.

Adrianne calls Bryan whenever she faces an issue while analyzing data. Bryan is a statistical expert and solves Adrianne's queries in no time. Adrianne calls Bryan for his

a) expertise b) power. c) support. d) social exchange.