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Unformatted text preview: Public Speaking, Ethics, and You Chapter 20 Presentation aids- objects, models, pictures, graphs, charts, video, audio and multimedia, used alone or in combination within the context of a speech; they help listeners see relationships among concepts and elements, store and remember material Prop- any live or inanimate object used by a speaker as a presentation aid Model- a three-dimensional, scale size representation of an object such as a building Pictures- a two-dimensional representation of people, places, ideas or objects produced on an opaque backing; types of pictures commonly used by speakers include photographs, line drawings, diagrams, maps and posters Diagram- a schematic drawing that explains how something works or how it is constructed or operated; used to simplify and clarify complicated procedures, explanations and operations Graph- a graphical representation of numerical data. Graphs neatly illustrate relationships among components or units and demonstrate trends. Four types of graphs line graphs, bar graphs, pie components or units and demonstrate trends....
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- Summer '08
- Cartesian Coordinate System, Bar chart, graphs line graphs