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Preparing and Giving an Effective Scientific Presentation using Powerpoint

Preparing and Giving an Effective Scientific Presentation using Powerpoint. Dr. Yossef Av-Gay. UBC Departments of Microbiology & Immunology and Medicine. resources: Susan McConnell, Stanford University Microbiology Dept at Colorado State University. Key issues in making a presentation.

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Preparing and Giving an Effective Scientific Presentation using Powerpoint

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  1. Preparing and Giving an Effective Scientific Presentation using Powerpoint Dr. Yossef Av-Gay UBC Departments of Microbiology & Immunology and Medicine. resources: • Susan McConnell, Stanford University • Microbiology Dept at Colorado State University

  2. Key issues in making a presentation • Develop an effective presentation style • Provide adequate background information • State your /or others hypothesis clearly • Provide clear data and coherent methodology. • Make sure your slides are with obvious “take home message” • Make sure you have effective summary and conclusion

  3. Emk1 knockdown inhibits lumen formation in MDCK cells: • RT-PCR: EMK1 is effectively knocked down in MDCK cells 24 hours after transfection with P-SUPER (control) or P-SUPER-siEMK1 plasmid; knockdown confirmed on the right with antibodies to EMK1. • Collagen overlay assay: cells cultured 24 h on collagen I before being overlaid with additional collagen on the apical surface, analyzed 24 h later. Note the lack of lumen in EMK1-KO cultures. • Ca switch: control or EMK1-KO cells were plated in low Ca medium 24 h upon transfection with pSUPER or pSUPER-KO. After 12 h, cultures were switched to normal medium for 24 h. Transmission EM of cells sectioned perpendicular to the substratum shows lack of microvilli in EMK1-KO cells.

  4. Major errors Poor choice of font style and size. Poor choice of colors for background and text. Too much data!! Too many lines of text!! No obvious conclusion.

  5. Powerpoint basics:1. What font to use Use a Sans Serif font: This font is Arial. This font is Comic Sans. This font is Papyrus. Serif fonts take longer to read… This font is Times New Roman. This font is Courier. This font is Didot.

  6. Powerpoint basics:1. What font to use Type size should be 18 points or larger: 18 point 20 point 24 point 28 point 36 point * References can be in 14 point font

  7. Powerpoint basics:1. What font to use AVOID USING ALL CAPITAL LETTERS BECAUSE IT’S MUCH HARDER TO READ!

  8. Powerpoint basics:2. Color Dark letters against a light background work. Dark letters against a light background are best for smaller rooms and for teaching.

  9. Powerpoint basics:2. Color Light letters against a dark background also work. Many experts feel that a dark blue or black background works best for talks in a large room.

  10. Powerpoint basics:2. Color Avoid red-green combinations because a large fraction of the human population is red-green colorblind. Lots of people can’t read this – and even if they could, it makes your eyes hurt.

  11. Powerpoint basics:3. Layout Keep the layout and style as consistent as possible. Every slide should have a heading. Try to limit text blocks to no more than two lines each.

  12. Powerpoint basics:3. Layout The reason for limiting text blocks to two lines is that when the text block goes on and on forever, people in the audience are going to have to make a huge effort to read the text, which will preclude them from paying attention to what you are saying. Every time you lose their focus, your presentation suffers!

  13. Powerpoint basics:3. Layout It is often effective to “unveil”a list point by point. Do not overuse animations and do NOT have screeching sounds as text enters!

  14. Powerpoint basics:3. Layout Do not cram too much into a slide. Try your best to include a simple image on every slide.

  15. Emk1 knockdown inhibits lumen formation in MDCK cells: • RT-PCR: EMK1 is effectively knocked down in MDCK cells 24 hours after transfection with P-SUPER (control) or P-SUPER-siEMK1 plasmid; knockdown confirmed on the right with antibodies to EMK1. • Collagen overlay assay: cells cultured 24 h on collagen I before being overlaid with additional collagen on the apical surface, analyzed 24 h later. Note the lack of lumen in EMK1-KO cultures. • Ca switch: control or EMK1-KO cells were plated in low Ca medium 24 h upon transfection with pSUPER or pSUPER-KO. After 12 h, cultures were switched to normal medium for 24 h. Transmission EM of cells sectioned perpendicular to the substratum shows lack of microvilli in EMK1-KO cells.

  16. MDCK cells form a lumenfollowing a change in extracellular [Ca++ ] MDCK cells Surface view from lumen Side view of lumen gp135 ZO-1 b-catenin

  17. MDCK cells form a lumenfollowing a change in extracellular [Ca++ ] MDCK cells Surface view from lumen Side view of lumen gp135 ZO-1 b-catenin

  18. Lumen formation is blockedin EMK1 knockdown cells MDCK cells EMK1 knockdown gp135 ZO-1 b-catenin

  19. Tips for Preparing and Giving an Effective Scientific Presentation using Powerpoint Powerpoint presentation: Font style and size Color choice for background and text Keep text blocks short and simple Do not overuse animations Keep figures as simple as possible Do not use too many slides!

  20. Try not to use too many slides. Often, less can be more effective!

  21. There is more to giving a good talk than showing good slides- Presentation style is very important! • Do not read your slides • Do not use too many gimmicks (videos) • Do not pace up and down but also don’t stand rigid! • Do not wave your pointer all over the slide • Do not talk to the screen • Do not use UMMH or AHHH to fill transitions

  22. There is more to giving a good talk than showing good slides- Presentation style is very important! • Do face the audience and make eye contact • Do show enthusiasm and vary the tone of your voice • Do practice beforehand • Do ask your friends for feedback • Do RELAX and ENJOY your presentation!

  23. Most frequent mistakes in scientific presentations • Ugly slides. • Bad idea! It shows disregard for audience. • Presentation pace too fast. • Audience attention lost quickly. The rule is 2 minutes per slide. • Disconnect between Introduction and data. • Make bridging slides to transit the attention from the general field to your particular project. • Data slides labeled too sparingly. Audience may be forced to interrupt and ask technical question - not good for the flow of your thought! Adapted from: http://visiscience.com/blog/18

  24. Most frequent mistakes in scientific presentations (2) • Data slides overloaded. • Do not put all gels or figs up at the same time! Use transitions, or better yet, have each consecutive slide add one additional experimental component. • With long tables highlight the lines you are trying to emphasize on (for example using bold typeface). • Does not have a well polished finish slides. • This may include summary/ conclusions, take home message or summarizing scheme. Underline important findings and stress their importance for the future of your project. Finish with a bang! Adapted from: http://visiscience.com/blog/18

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