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Designing Effective Scientific Presentations BIOS 313 3/29/06 Dr. Mary Purugganan maryp@rice.edu Cain Project in Engineering & Professional Communication www.owlnet.rice.edu/~cainproj
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Topics We’ll Discuss Getting started Displaying text Displaying graphics Animating Presenting Critiquing sample slides
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Getting Started Create a slide show that is an outline, not a script Use the slide show... to select important topics and issues to organize content to create a hierarchy
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Getting Started To select a design, ask yourself: What professional image do I want to project? In what type of room will I give my talk? Well-lit room: use light background / dark text and visuals Dimly-lit room: use dark background / light text and visuals
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Getting Started Set up Slide Master Allows you to design the “look” of your slide show Browse design templates Enables you to select pre-designed presentation templates Create new slides Choose from 24 “master slide styles” to build your show
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Selecting Content Consider your audience! State problem/ question clearly & early Include significance--the big picture; why does it matter? Keep background relevant
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Selecting Content, Part 2 Explain experiments: include the how & the why! Hypothesis (WHY) Method (remember audience) (HOW) Show data and guide audience through (WHAT WAS OBSERVED) Draw conclusions (WHAT IT MEANS) Speculate about future investigations
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Suggested Content Title: as concrete & accurate as possible (1 slide) Problem, background, significance (5-7 slides) Methods (2-4 slides) Results, conclusions (3-6 slides) Future investigations (1-2 slides)
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Displaying Text Remember that your audience... skims each slide looks for critical points, not details needs help reading/ seeing text Help your audience by… Projecting a clear font Using bullets Using declarative titles Using short phrases Using grammatical parallelism
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Project a Clear Font Serif: easy to read in printed documents Times New Roman, Palatino, Verdana Sans serif: easy to see projected across the room Arial, Helvetica, Geneva
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Use Bullets Bullets help your audience to skim the slide to see relationships between information organize information in a logical way For example, this is Main Point 1, which leads to... Sub-point 1 Further subordinated point 1 Further subordinated point 2 Sub-point 2
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Use declarative titles “Results” suggests the content area for a slide “Substance X upregulates gene Y” (with data shown below title) shows the audience what is observed
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Use Short Phrases Use phrases in your slide show outline Generate phrases that make your point clearly & accurately Write complete sentences only in certain cases: Hypothesis / problem statement Quote ???
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Use Grammatical Parallelism Lists should be in same grammatical form-- to help audience skim phrases Not Parallel: Lysed cells in buffer 5 minutes centrifuging of lysate Supernatant was removed Parallel: Cells were lysed in buffer Lysate was centrifuged 5 minutes Supernatant was removed
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Displaying Visuals Incorporate visuals that enhance understanding Data: evidence for argument Figures that enhance understanding of background, method, big picture, etc. (from WWW, published reviews, drawn yourself) Design easy-to-read visuals Draw attention to aspects of visuals
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Simplify and Draw Attention http://www.indstate.edu/thcme/mwking/tca-cycle.html
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Displaying Visuals Harvey et al. (2005) Cell 122:407-20
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Choose Color Carefully
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Cite others’ visuals http://www.bioc.rice.edu/~shamoo/shamoolab.html Harvey et al. (2005) Cell 122:407-20
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Animating Custom animation allows you to animate text, visuals, or line work Custom animation should be used purposefully (and sparingly!) To aid in the audience’s ability to comprehend your message Not solely for aesthetic purposes
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Animating Use professional animation methods for text (avoid fly in, typewriter, reverse order, etc.) Use mouse-click to advance
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Presenting Delivery Handling questions
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Stance and Posture Worst Practices Block screen Cross feet Rock, sway, pace Slouch Lean Best Practices Chin up Feet under hips Shoulders relaxed Weight distributed Knees slightly bent
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Gestures to Avoid Fidgeting Fingers Pen or laser pointer Pockets Hair Hands on hips Crossing arms Gripping podium Clasping hands Fig leaf Behind back
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Eye Contact Worst practices Stare at screen Glance at floor or ceiling Read slides or notes Best practices Direct Sustained Distributed
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Handle Questions Anticipate questions LISTEN Repeat or rephrase Watch body language Don’t bluff Wrap up well
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Sample Slides Features to consider: Text Fonts, phrases, parallelism Graphics Readability, drawing attention Slide design Organization/ hierarchy Titles, Bullets, arrangement of information, font size
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28 - codes for a component of a DNA repair enzyme system - breast cancers cells - BRCAI protein is either absent or remains in the cytoplasm Are there more BRCA genes to be found? What about sporadic breast cancer? - don't appear to involve BRCA I or II - involves genes common to other cancers What is BRCA I ?
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The myocardium of control (left) shows necrosis (N) and fibrosis (F). The transplanted smooth muscle cells (right) formed muscle-like tissue (T). Grafting smooth muscle cells into heart
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