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Based on research about the effectiveness of speeches, which of the following is correct?

a. The effectiveness of one-sided and two-sided presentations is the same. b. One-sided presentations are more effective than two-sided presentations. c. The effectiveness of one-sided and two-sided presentations varies. d. Two-sided presentations are more effective than one-sided presentations.

Which of the following statement about relational culture is true?

a. Relational culture is a manifestation of successful and satisfying relationship. b. Effective relational culture prevents relational partners from maintaining their own individual identities because they focus more on relational identity. c. Effective relational culture allows partners to focus only on their similarities so that they can avoid conflicts. d. None of the abo