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Visual Aids for Oral Communication

Visual Aids for Oral Communication. Agnes Hajdu Oslo, EpiTrain IV, 2006. Based on EPIET material. Exchange of information. Transform data -> information -> knowledge Share Paper (reports, articles) Oral (presentations) Does our message come across?. Digital versus analog US pedestrians.

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Visual Aids for Oral Communication

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  1. Visual Aidsfor Oral Communication Agnes Hajdu Oslo, EpiTrain IV, 2006 Based on EPIET material

  2. Exchange of information • Transform • data -> information -> knowledge • Share • Paper (reports, articles) • Oral (presentations) • Does our message come across?

  3. Digital versus analog US pedestrians Digital pedestrian Analog pedestrian Pedestrian crossing X = cross !

  4. Analog pedestrians from around the world Russia France Belgium Burma Spain Zimbabwe

  5. Preparation of visual aids • Text first, then visual aids • The less fancy, the better • Always related to what you say

  6. Two types of visual aids • Visual data • digital: tables • analog: graphs, charts, maps • Visual reinforcement • bullet lists

  7. Visual dataTables, charts, maps • The simpler the better • Digital or analog ? • Walk the audience through

  8. Food Specific Attack Rates, Outbreak of Salmonellosis, Prison X, Dover, Delaware, September 1992

  9. Food Specific Attack Rates, Outbreak of Salmonellosis, Prison X, Dover, Delaware, Sept 1992

  10. Outbreak of Salmonellosis in a Prison, Delaware, 09/1992Food Specific Relative Risks, Saturday September 12, Lunch Food ¦ Chicken Salad ¦ Bread ¦ Lettuce Leaves ¦ Sliced Tomatoes ¦ Pear Halves ¦ Iced Tea ¦ Margarine ¦ Vegetable Soup 0.5 5 50 Relative Risk (log scale)

  11. Graphical visual dataGraphs, charts and maps • One point per slide • No 3D • Appropriate color palette

  12. Brightness Hue Quantitative Qualitative Characteristics of colors

  13. How to select a color or pattern 2 colors : 3 colors : or

  14. AIDS Annual Rates per 100,000 Population for Cases Reported May 1990 through April 1991

  15. AIDS Annual Rates per 100,000 Population for Cases Reported May 1990 through April 1991

  16. Visual reinforcements: bullet lists • Use keywords • < than 12 lines • < 5 words per line • Break line properly

  17. MethodsThe karaoke slide • We conducted a retrospective cohort survey including all people attending the visit of the park • A case was defined as a papular or papulo-vesicular pruritic rash, among participants, 12 hours or more after the exposition to seawater

  18. Methods • Survey • retrospective cohort • all participants • Case definition • rash (papular or papulo-vesicular) • > 12 hours after exposition

  19. Effective text attributes Prefer Avoid Sans serif font Serif font Normal type Bold type UPPER CASE LETTERS Lower case letters Poor contrast Good contrast

  20. What not to do • No bright text on bright background • No lot of pictures on one page • No animations unless it is relevant • No too much information on one page • No CAPITAL letters

  21. What to do • Keep it simple • Keep your audience in mind • Main points with 4-6 lines of text per slide • Use pictures if relevant • Avoid animations and distracting elements

  22. Introduction to Power Point Let’s open it!

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