effective oral presentations - mit opencourseware€¦ · short for most presentations ... more...
TRANSCRIPT
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Effective Oral Effective Oral Presentations
Les PerelmanLes Perelman
Figures removed due to copyright restrictions.
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�� The Perils of PowerPoint
AgendaAgenda � Preparing and Presenting a Technical
Talk � Visual Aids
The Perils of PowerPoint
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StepsSteps � Preparing a Talk
� Presenting your Talk
� Supporting your Talk with Visuals
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&
Preparing a TalkPreparing a Talk
� Organization Practice
� Audience Analysis � Time & Focus
� Practice
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Audience AnalysisAudience Analysis
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�
� What changge in the audience do yyou want to
� What some of them do not know?
� What do they want?What do they want?
� What will interest them?
AudienceAudience � What is your purpose?
effect? � What do they know?y
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awake?What will keep you audience What will keep you audience
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Time and FocusTime and Focus � Organize your talk to
fit allotted time
� Cover only 3 or 4 important points
� Talk as Verbal Abstract or Summary C
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�
ThreeThree-Part OrganizationPart Organization � Tell them what you
are going to say Introduction� Introduction
� Tell them � Tell them � Body
� Tell them what you said
C l i� Conclusion
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Introduction is FunnelIntroduction is Funnel
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IntroductionIntroduction � Gives background � Prompts Interest
P t h dli � Presents headlines � Gives roadmap of talk
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Place Important Information at Beginning and EndBeginning and End
A di R ll B TiAudience Recall By Time90%
100%
d
70%
80%
mem
bere
d
50%
60%
70%
Item
s R
em
40%
50%
5% 10%
15%
20%
25%
30%
35%
40%
45%
50%
55%
60%
65%
70%
75%
80%
85%
90%
95%
100%
I
1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10
Percentile of Time of Speech
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�� Repeat important points before moving on to next topic Use visuals for emphasis and to � Use visuals for emphasis and to increase comprehension
B dBody
� Follow roadmap � Provide clear “road signs” markingg g
transitions Repeat important points before moving
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Conclusion� Two or Three Major Points
Conclusion
“Take away” message�
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�
PracticePractice
� In actual space Know thy space� Know thy space
� By yourself � In front of friends
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Prepare backupsPrepare backups
p � Overheads � Backup computersp
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Delivering the PresentationDelivering the Presentation
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Physical PresencePhysical Presence
� Don’t fidget � Look at your
clanging objects � Don’t read your talk
audience � Avoid clicking and
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�
placement � Find friendly faces in
audienceaudience � Have conversation
Become ComfortableBecome Comfortable � It’s about the content,
not about you Decide how much you � Decide how much you want to move
� Figure out handg
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� Practice to avoid um’s, “ah’s, & like’s
� Avoid dropping at end of sentence
Vocal PresenceVocal Presence � Speak clearly � Slow down � Emphasize key word –
avoid monotone
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Take BreathsTake Breaths
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�
HANDLE QUESTIONS AND
Presentation
� Don't Be Defensive or Bluff: If You Don't Know, Say SoIf You Don t Know, Say So
� Offer to Fill in Blanks Later
� Handle "ProblemProblem"HandleQuestioners
ANSWERSANSWERS � Listen Patiently
Repeat the Question � Repeat the Question � Answer the Question, No
More No Less More, No Less � Make Transition Back to
Presentation
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WORK WITH VISUAL AIDS � Establish Verbal Transition � Reveal the Visual � Point to Specifics
Develop "So What"� Develop So What � Remove Visual � Turn Off Projector When Not Needed
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Effective Visual AidsEffective Visual Aids
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Design effective graphics
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Keep it simpleKeep it simple
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Don’t be fancyDon’t be fancy
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From “Jean C. Krausea and Louis D. Braida, “Investigating alternative forms of clear speech: The effects of speaking rate and speaking mode on intelligibility”
Don’t Be Overly ComplexDon’t Be Overly Complex
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Focus on information
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Not CutenessNot Cuteness
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t t t t t t
Don’t Make Slides Text HeavyDon t Make Slides Text Heavy
Th lt f hi d h h (1) i ki ith f th dditi l ki d� The results of this study show that (1) at a given speaking rate, neither of the additional speaking modes examined provided an intelligibility benefit as large as that of clear speech; and (2) with proper training of talkers, the benefits of clear speech can be extended to faster speaking rates than those previously reported. Specifically, a form of clear speech was obtained at slow (roughly 100 wpm) and normal (roughly 200 wpm) rates. Because the intelligibility advantage of clear/slow over conv/slow speech was comparable to that of clear/normal over conv/normal for nearly all talkers and listeners, it was also shown that over this range of speaking rates (slow through normal), the relative intelligibility benefit of clear speech is largely independentspeaking rates (slow through normal), the relative intelligibility benefit of clear speech is largely independentof rate, talker, and listener.
� While the intelligibility advantage of clear speech did not extend to quick rates, as shown by the fact that m2clear<m2conv for all talkers, it could still exist at faster than normal rates. Assuming physiological constraints on articulation, the intelligibility of clear speech at very high speaking rates must decrease more rapidly than the intelligibility of conversational speech in order to compensate for its higher intelligibility.Consequently, clear speech cannot maintain an intelligibility advantage above a certain "cutoff" speaking
t Y t ith th li it d b f t th t i d i thi t d l l b d ( l trate. Yet, with the limited number of rates that were examined in this study, only a lower bound (normal rates of roughly 200 wpm) on the cutoff rate was established. At least some of the talkers (T1 and T3) appear likelyto have exceeded this lower bound, producing clear/quick speech that could be more intelligible than conversational speech at comparable rates, if such conversational speech had been elicited. Moreover, since the training provided in this study increased the cutoff rate beyond those previously reported, it is possible that additional training could increase the cutoff rate even further.
� Subjective comments from talkers regarding the training procedure indicated that the listener feedback � Subjective comments from talkers regarding the training procedure indicated that the listener feedback provided during training was very helpful for developing clear speech. In particular, one talker noted that trends in listener responses raised his awareness of common phoneme confusions. He reported that this information was useful in deciding which phonemes to emphasize. Other talkers expressed interest in listening to speech distorted by multiplicative noise in order to gain information on how to speak more clearly. This request suggests that some talkers believe they have natural strategies for speaking clearly in difficult communication situations. Moreover, these strategies may differ depending on the nature of the distortiondistortion.
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� ≥ 20 pt � Use bold sans serif typeface � Do not use serif fonts such a Times New Roman
� Microsoft’s default font � AVOID USING ALL CAPITAL LETTERS
TypographyTypography
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LayoutLayout � Landscape
(Horizontal) Format � Try to use a picture
with every slide � Be generous with
white space
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Color
yp g g � light type on dark background
� Avoid red – green combinations green combinations� Avoid red
Color � Use � dark type on light background or
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Avoid Using Red andAvoid Using Red andGreen Combinations
11/4/2009 35
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What is wrongWhat is wrong
With this slide?With this slide?
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What is wrong with this background?background?
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� Limit bullets to 2 4 items � 2-4 items
� not more than two levels
� KKeep text bl blockk to no more thhan two lines
TextText � Begin with HeadlineBegin with Headline � Short for most presentations �Whole sentences for scientific presentations� Whole sentences for scientific presentations
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The Perils of Power PointThe Perils of Power Point
� Animation
� Do Not Use Design Wizard
� Do � Not � Use � Fancy
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Design WizardsDo Not Use MS™ AutoContent orDo Not Use MS AutoContent or
� Microsoft™ is always wrong � Some fun with AutoContent Wizard
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A NA New AA pproach th to SlideSlid Design From MichaelDesign From MichaelAlleyAlley
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downstream of the combustor
Combustor
Fl
Turbiner
Flow
Rethinking the Design of Presentation Slidesof Presentation Slides
Michael Alley Virginia Tech g
Source: Chapter 4 in The Craft of Scientific Presentations
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The audience remembers more when youuse well-designed slides
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has units of g/s/mLregulates heat exchange
has units of g/s/mL
e
regulates heat exchange
has units of g/s/mL
For a technical presentation, you should sethigh goals for the presentation slides
Slides should help the audience during the talk
Slides should serve as notes for the audience after the talk
Slides should serve colleagues having to make the same talk
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More effective than using PowerPoint’s defaults is using a sentence headline supported by images
Sentence Sentence Headline
Body supportswith images
Supportin Body
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Our goal is to test a fillet design for turbine vanes downstream of the combustor
Combustor Turbine vanes
[Pratt&Whitney, 2000]
The goal of the fillet design is to reduce vortices that disrupt the film coolingg of the vanes
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Our goal is to test a fillet design for turbine blades and vanes downstream of the combustor
Combustor
[Pratt&Whitney, 2000]
The purpose of the fillet design is to reduce vortices that disrupt the film cooling of the blades and vanesthat disrupt the film cooling of the blades and vanes
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In SummaryIn Summary� Plan � Pictures � Practice, practice, practice &
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Always leave them laughingAlways leave them laughing
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21W.747 Classical Rhetoric and Modern Political Discourse Fall 2009
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