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What is the purpose?

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KISSKeep It Simple and Stupid (?)

Show your enthusiasm!

Don´t talk about your own work only!Your work has qualified you to give the talk

…. If you ramble incoherently, avoid eye contact, flash illegible transparencies on a screen, and seem nervous and confused, then your colleagues will not only be irritated at having their time wasted, they are also going to question your ability to do your job. However, if you present your ideas clearly and persuasively, with self-assurance and skill, you will come across as a reasonable, orderly person who has respect for the audience and a clear insightful mind. ....

James C. Garland

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…. It is absolutely impossible to give tooelementar a physics talk. Every talk I ever attended in four decades of lecture-going has been too hard. There is therefore no point in advising you to make your talk clear and comprehensible. You should merely strive to place as far as possible from the beginning the grim moment when more than 90% of the audience is able to make sense of less than 10% of anything you say. It is in the nature of physics talks that they should be boring and confusing ...

N. D. Mermin

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Never underestimate the pleasure you give an audience by telling them something they already understand.

F. Bloch

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The talks from which I´ve learned the most do not necessarily cover subjects of which I have extensive prior knowledge. Instead, they are those in which the speaker takes time to explain the qualitiative basis of his or her subject. Talks at professional meetings are a different situation ...

D. O´Neal

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Main part(s)results & discussion

Summary / Conclusionsmention coworkers / collaborations

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Pictures and graphs are better than textRecurrences & interim conclusions are helpfulDon t overload your talk!Make a concise summary!

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DateWhen? / Where? / What purpose?

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Locationequipment:beamer, overhead, pointer, etc.

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Prepare well!Develop self-confidence!Be convinced of what you have to you say!Find out why you suffer from stage-fright.Practice your talk as often as possible!Learn to relax!Don eat too much before the talk.Check the technical equipment before the talk.Don hink about the talk the last 20 minutes.Breathe deeply.Don be afraid of unfinished sentences!Be aware of the audience being humans!Use auxiliary means.Take a sip (of water).Focus on a sympathetic listener!

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Seminar / Talk3-6 transparencies for a 10-minutes talk10-15 for 30 minuteshandout with catchwords (see tools)

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?FormulasUse formulas only when really needed!Many formulas don t make you more important.Explain and discuss them!

TextUse catchwords, not complicated sentences!Don t read texts from the transparency!

FiguresUse figures rather than texts.If possible: combination of figures and formulas

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StyleDevelop your own style!Use colors, but not too manyUse boxes, linesCover part(s) of the transparency ("striptease") (?)

Handwritten slidesUse different pens (line thickness, color)Don t erase anything!

B & WCopy printout to transparency (take the right ones!)Use color pens (online)

Color printersInkjet printers (special foils)Laser printers (special foils)

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FormatLine spacing 1 ½Maximum 15 lines per page (portrait)Underline or frame important things Use bold fonts for important thingsDon t use too many different fonts

Character sizeHeaders 22 pt – 40 ptFormulas 18 pt – 28 ptText 18 pt – 28 ptIndices > 12 pt72 pt = 1 inch = 25.4 mm

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Can you see me? (10 pt)

Can you see me? (12 pt)

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Can you see me? (36 pt)

Can you see me? (48 pt)

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Introduction …by e.g. the chair person

Discussionled by the chair personfor details see below

Thank …the organizers to give me the opportunity …Prof. Ito for inviting me ……my friend Elisa for the hospitality …

The talksee below

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Use the first momentcaptatio benevolentiae

Try to circumvent problems …… to paper over the cracks Blackout / wrong transparency? / technical problemsMake a joke (if you can …)Keep your head!

Catch someone´s eyeFocus on a few people

Keep cool …Don t walk around, but don t be staticUse your mimic, gesture, body language

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Speed & Speechshort sentencescorrect breathingbreaksless than one transparency per minute

Speaking fast sounds more convincingSpeaking slowly is more informativeSpeak loudly without shrilling (avoid a high pitch)

Length Man kann über alles reden, nur nicht über 40 Minuten

(K. Tucholsky)Don t exceed your allotted time!Finsh rather too early than too late!

… you better practice before …

from J. C. GarlandPhysics Today, July 1991

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Stick to facts!Don t get aggressive!Be aware of cultural differences

Wait until the question is finishedOne may repeat the question.

Give a short answerLong dialogues should be postponed to the coffee break.

Admit nescience!"Sorry, I did not think about this so far …"

Don´t ask technical details being the listener

The chair person plays the refereeprotection for & against the audience

… keep cool! …

from J. C. GarlandPhysics Today, July 1991

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