Technical presentations - Prof Mohandas
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GOOD QUALITY TECHNICAL PRESENTATIONS
Prof K P Mohandas Dean Academic, MES College of Engg, Kuttippuram (email: [email protected])
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Different types of presentations Seminar presentations in a class
Paper presentations in conferences
Project presentations as part of class work
Project presentations for research grants
Research updates or reviews
Thesis presentations (oral examinations)
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Why presentations ?
Effectiveness of visual presentations
It is estimated that we can retain or remember
Hardly 20% of what you HEAR
Nearly 40 to 50% of what you SEE
Almost 70-80% of what you DO
It is not always possible to make others DO, so next choice is to SHOW or use VISUALs
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Remember !!!
TELL ME , I WILL FORGET !
SHOW ME, I WILL REMEMBER !!
INVOLVE ME , I WILL LEARN !!!
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A presentation has
Content : information that listeners need to hear.
Structure : It has a logical beginning, body and end. It contains only information that can be understood within the time.
Packaging : It must be well prepared
Human Element: A good presentation will be remembered because it has a person attached to it
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The voice has
Volume : loud enough to be heard, voice modulation helps in better attention and avoids monotony
Tone: The Characteristics of a sound, a voice that contains fear can frighten the audience, one that carries laughter can make them smile
Pitch : High or low voice , medium preferred Pace: How fast the sound lasts, not too fast, not
too slow either Colour: If you overact and mix emotions in
presentation, sometimes it works wonders;
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If you want to improve your voice
Listen to it: practice listening to your voice while walking, working etc
To really listen: Cup your right hand around your right year and gently pull the ear forward. Next cup your left hand near your mouth and speak. This will make you hear your voice like others hear it
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HOW TO PRESENT THINGS?
Printed or typed text
Tables of data
Charts
Graphs , Pie charts, line graphs
Pictures
Video clips etc
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Why use tools?
Easy to use different types of features
Automatic size of letters and formats
Titles and subtitles choice of proper sizes
Easily Incorporate figures and graphs
Include Animations and special effects
Links and moving forward and backward in slides
Colour choice – artistic effects or esthetics
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Body Language
Eye contact: Helps communication and so never loose eye contact with listeners
Facial expressions: Smiling transmits happiness, friendliness and warmth
Gestures: Some gestures can avoid boredom
Posture and orientation: Moving while talking helps, bending (leaning) forward shows you are more approachable, receptive and friendly
Proximity: Not too close or too far
Voice : Modulation helps avoid boredom
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How to prepare
Remember
If you fail to prepare
You are preparing to fail
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Steps in preparation
1. Choose a topic or area of interest
2. Search for relevant material in text books, encyclopedias ,journals, internet etc
3. Prepare a write up on the topic in your own language after understanding the contents
4.Logically arrange the sequence of
presentation
5. Rehearse thoroughly monitoring time
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How many slides ?
Time available for presentation
Content and depth of the topic
Nature of materials to be presented like
mostly text material or
text and numerical data and tables
text, tables and graphs
pictures and videos
Maximum 2 minutes for each slide
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Good quality slides
Good visuals can strengthen your presentation significantly , but they are rare.
The keys to good visuals are:
1. FEW just enough to illustrate the points
2. BIG so that they are easy to see and read
3. SIMPLE , so that they are easily understood
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Contents of each slide
Not too many lines of text ( 7-8 lines)
Size of letters big enough to see for all
Not too many equations (?)
Use plenty of graphs rather than tables
Use pictures with proper titles and legends
Animations and special effects should not be too distracting
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Language in presentation
Simple and precise
Not pompous or flowery language
The audience wants to understand the technical contents, not the beauty of the language
Liberal use of figures, pictures or even videos to illustrate the points
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Things not to be done
Never read from the slides or depend totally on the slides. The displayed slides are for the audience to follow your seminar not for you
Never use light colours for text and figures since this will not be visible for those who sit in the back
Choose proper font size (at least 18 point) so that it can be read easily.
Do not give complete derivations, only highlight the significance of terms and equations
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Not to be done (contd)
Do not overcrowd the page with lot of text or figures
Do not make slides by photocopying directly from printed books or journals as letters will be too small
Choose different types of letters, bold, italics, capitals etc to emphasize points.
Letter size not less than 18 point or more
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Preparation for presentation
Rehearse as many times as possible Keep the timings strictly Allow some time for discussion Respond to questions after hearing it fully Repeat the question loudly for others to hear Answer clearly if you know the answer If not use your ingenuity in coming out of the
situation Accept mistakes pointed out by audience Never get into an argument with the questioner
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Inter personal communication tips Never loose EYE CONTACT with audience
Talk loudly and clearly
Never turn your back to the audience
When responding to questions wait for the questions to be completed
Repeat the question for the audience
Answer clearly, if necessary using board .
If you don’t know the answer, you can request any one else to answer or get out of it using your ingenuity
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Always remember
You are speaking to an audience
The presentation is for them
It is absolutely essential to:
Keep them interested in your talk
Make them understand what you speak
Get them involved in the process
Get their response and react to them
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Start and beginning
Give an overview of the presentation in the beginning ( one slide)
Give a summary in the end (one slide)
Some references for better communication:
1.www.allaboutcommunication.com
2.Today’s Engineer IEEE, USA
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