effective technical presentations mark tew associate professor of electrical engineering university...
TRANSCRIPT
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Effective Technical Presentations
Mark Tew
Associate Professor of Electrical Engineering
University of Mississippi
662 915 5384
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Why focus on presentations?
First impressions are important
Effective presentations are an “edge” in hiring and promotion decisions
Lack of effective presentations limits job assignments
The satisfaction of a job well done
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A process that yields an effective presentation
Step 1: Plan
Step 2: Organize
Step 3: Prepare the Content
Step 4: Practice
Step 5: Get there
Step 6: Speak to the audience
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Step 1: Plan
• Who is the audience?– Make the level of the material
appropriate to the audience• What is the message?
– Have a clear point that you want to convey
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Step 2: Organize
• How long is the presentation?– Present enough material to convey the
message– Leave time for questions
• Follow the golden rule
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The Golden Rule
1) Tell the audience what you’re going to tell them
2) Convey the information
3) Tell the the audience what you’ve told them
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An Introduction vs. an Outline
An outline presents a list of topics that the presentation will cover
An outline does not give the audience a reason to listen to you
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An INTRODUCTION
Who has done this work?
What work has preceded this? What is the context?
When was the work done?
But most importantly,
Why is this work important?
Give the audience a reason to listen!
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Step 3: Prepare the Content
• Where will the presentation be given?– How large is the room?
• Determines minimum font size– What presentation equipment is
available?• Use generally available technology• Take your own equipment
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Content: A presentation is NOT:
a technical journal paper
a final report
a book chapter
a medium for conveying fine details
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Content:
• A presentation is effective when it uses the visual impact to
• Convey the message
• Keep the audience’s attention
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Content: Keep it simple
• A presentation is not effective when slides are verbose and filled with lots and lots of text for the viewer to read. This type of presentation is better suited for publishing a paper or journal article and is not desirable for an oral presentation. Remember what a presentation is and what it is not. This type of slide is a real attention-killer and very difficult for the audience to follow.
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Content: Only 2-3 Points per slide
• Avoid clutter
• Emphasize the points you want to make
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Content: Present ideas, not details
Applies to• Text• Equations• Graphs, not tables
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How many times have you seen this?
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Content: Make it readable
12 point 18 point 24 point
32 point 44 point
Match the font size to the presentation room
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Content: Appropriate to the medium
Light letters on a dark background are best for projected images
Dark letters on a light background are best for opaque imagesDark letters on a light background are best for opaque images
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Technology: ColorAvoid low contrast or dark-on-dark combinations
Avoid the UM red and blue
Avoid the UM red and blue
Light letters on a dark background are best for projected images
Dark letters on a light background are best for opaque images
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Ideas, not details:Equations
v
Natural Response of an Unforced Parallel RLC Circuit
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“Busy” Equationsv
Natural Response of an Unforced Parallel RLC Circuit
LC
LC
LC
eAeAvt
LCRCRCt
LCRCRC
12RC
1 :dunderdampe
12RC
1 :damped critically
12RC
1 :overdamped
2
2
2
1
2
1
2
1
2
1
2
1
2
1
1
22
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Equations that convey ideasv
Natural Response of an Unforced Parallel RLC Circuit
damping of degree thedetermines ratio LC toRC the
12
12
1s
distinct andcomplex are and :dunderdampe
equal and real are and :damped critically
distinct and real are and :overdamped
2
1,2
21
21
21
2121
LCRCRC
ss
ss
ss
eAeAv tsts
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Conveying resultsGraphs, not tables
vi
V(0)=5v, i(0)=-6 mA
Critical Damping: R= 10, L=0.4 mH, C = 1 F
Underdamping: R= 20, L=0.4 mH, C = 1 F
Overdamping: R= 5, L=0.4 mH, C = 1 F
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t*e-4 critical under over 0 5.0000 5.0000 5.0000 0.0000 2.9008 3.7579 1.7268 0.0000 1.4955 2.5801 0.4826 0.0000 0.5774 1.5198 0.0167 0.0000 -0.0018 0.6116 -0.1510 0.0000 -0.3486 -0.1264 -0.2050 0.0000 -0.5384 -0.6902 -0.2160 0.0000 -0.6245 -1.0866 -0.2111 0.0000 -0.6442 -1.3308 -0.2007 0.0000 -0.6230 -1.4429 -0.1888 0.0001 -0.5784 -1.4465 -0.1768 0.0001 -0.5221 -1.3658 -0.1652 0.0001 -0.4617 -1.2246 -0.1543 0.0001 -0.4019 -1.0447 -0.1441 0.0001 -0.3456 -0.8453 -0.1346 0.0001 -0.2941 -0.6422 -0.1256 0.0001 -0.2483 -0.4480 -0.1173 0.0001 -0.2081 -0.2718 -0.1095 0.0001 -0.1734 -0.1199 -0.1022 0.0001 -0.1438 0.0046 -0.0954
t *e-4 critical under over
0.0001 -0.1187 0.1007 -0.0891 0.0001 -0.0976 0.1692 -0.0832 0.0001 -0.0800 0.2125 -0.0777 0.0001 -0.0653 0.2338 -0.0725 0.0001 -0.0532 0.2367 -0.0677 0.0001 -0.0432 0.2253 -0.0632 0.0001 -0.0350 0.2035 -0.0590 0.0001 -0.0283 0.1749 -0.0551 0.0001 -0.0229 0.1427 -0.0514 0.0001 -0.0185 0.1095 -0.0480 0.0002 -0.0148 0.0776 -0.0448 0.0002 -0.0119 0.0483 -0.0419 0.0002 -0.0096 0.0229 -0.0391 0.0002 -0.0077 0.0020 -0.0365 0.0002 -0.0061 -0.0144 -0.0341 0.0002 -0.0049 -0.0262 -0.0318 0.0002 -0.0039 -0.0338 -0.0297 0.0002 -0.0031 -0.0378 -0.0277 0.0002 -0.0025 -0.0387 -0.0259 0.0002 -0.0020 -0.0371 -0.0242
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Graphs:
•Label Axes, including units
•Use color and symbol to differentiate plots
•Include a legend
Each graph should be as complete and self-explanatory as possible
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vi
Time (0.1 msec)
Nod
e V
olta
ge (
Vol
ts)
Natural Response of a Parallel RLC Circuit
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Step 4: Step 4: PRACTICE!PRACTICE!
Practice so that you are comfortable with the equipment
Practice so that the timing is correct
The first time you try something is never your best performance:– Sports– Music– Speaking
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PRACTICE!PRACTICE!
Practice as if the result is important:
• Aloud
• Standing
• With the equipment
• Before a friend or colleague
• In the presentation room
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Step 5: Get There
• What computer is available?• What projection device?• From here to there
– “Direct cable connection”– Network (HTML?)– Parallel port Zip drive– CD ROM– Notebook computer
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Delivery: Computer-based
• Use current technology
• “Just-in-time” presentations
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Step 6: Speak to the Audience
Three rules:
Speak to the audience
Speak Audibly
Speak Intelligibly
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Summary
• Follow the Golden Rule• Think visually--it’s a presentation• 2-3 points per slide• Concepts, not details• Speak audibly, intelligibly, to the audience• Slides are readable
• PRACTICE!
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Web-consciousness
• This presentation is also available at
www.olemiss.edu/courses/EE/ENGR695/Oralpres2000/