In order to decide his speech topic, Warren wrote down a broad idea, then broke that idea down into three related topics that he wrote below the first one. He then divided each of these three topics into their own related topics. Warren was using to determine his speech topic. O a. clustering O b. brainstorming O c. linking O d. concept thinning Is it appropriate to develop a speech topic based on something you heard on a television talk show? a. Yes; brainstorming ideas from a television program is a good way to develop a topic and is an option suggested in the text. O b. Yes, but you have to address the topic the same way the talk show did. O c. No; most topics discussed on talk shows are inappropriate speech material. O d. No; using televised information for your speech topic is a form of plagiarism