Standard English Standard English is used exclusively. Standard English is used. A few errors are noted. Grammatical errors and use of slang are evident Failure to use standard English interferes with listeners' comprehension. Language used is free from bias.
Language is free from bias with one or two minor exceptions.
Language used includes some significant bias. Listeners may be offended. Language used frequently reflects bias. Some, if not all, listeners will probably be offended. Responsiveness to Audience Consistently clarifies, restates, and responds to questions.