The textbook provides an example in which there is a speech about the controversial proposal to use stun guns by police officers to subdue unruly students in public schools. For the speech, the speaker quotes Steve Tuttle, a spokesperson for Taser International, asstating, "The Taser devisehas been shown to be medically safe when used on children." Audience members were suspicious of the testimony provided because Steve Tutle, the testimony quoted, is a spokesperson for a taser manufacturer. The textbook points out that there is a concern with this testimony and source. Within the textbook, this example is provided to demonstrate that the speaker should follow which specific tip of using a testimony?

Group of answer choices

Quote the testimony accurately.

Use qualified sources.

Use unbiased sources.

Identify the source of testimony.

Quantify the testimony with statistical data.