1. The document discusses Jack Gibb's theory of defensive and supportive communication behaviors that can alter a communication climate from negative and defensive to positive and open.
2. Gibb identified six defensive behaviors - evaluation, control, strategy, neutrality, superiority, and certainty - and six supportive behaviors - description, problem orientation, spontaneity, empathy, equality, and provisionalism.
3. Using supportive behaviors that confirm the other person, show concern for their feelings, and acknowledge uncertainty can help create a more positive communication climate where people feel free to open up.