Central ideas in shorter special occasion speeches will

Tomas thought to himself about possible solutions to his group's problem before he provided those ideas aloud to the group. The technique Tomas used is called silent brainstorming or _____

a. vigilant thinking b. nominal group technique c. interaction d. groupthink

Mark Knapp created a model that explains how relationships develop and deteriorate. Knapp's model uses a __________ metaphor to illustrate the process of relationship development and dissolution

a. Balloon b. Window c. Slide d. Staircase