You need to ask what the speaker's point is. You need to ask where the information came from and what it is being used for. You need to assess the speaker's methods of support , how the speaker makes and backs up a point. Analogy is a comparison between two things. Example is a specific item or story to illustrate a general idea.
Statistics are numbers to describe ideas.
Testimony is the word of a well-known person to endorse an idea. These methods can be used to support any of three basic appeals in public speaking. Personal or ethical appeal. Empathetic or Therapeutic Listening Empathetic listening is trying to help someone cope with a problem by seeing it from that person's point of view and giving support during the struggle for a solution. You need the greatest amount of skill and training to listen empathetically.