The cogni*ve style of powerpoint · 2017. 10. 16. · Lou Gerstner IBM Issues of Slideware • More...
Transcript of The cogni*ve style of powerpoint · 2017. 10. 16. · Lou Gerstner IBM Issues of Slideware • More...
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Thecogni*vestyleofpowerpoint
AdaptedfromEdwardTu:e
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LouGerstnerIBM
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IssuesofSlideware
• Moreforthepresenterthantheaudience– Reduceevidenceandthought– Lowresolu*on– Singlepath,singlemodelforallcontent– Smallnarra*vefragments– Singlemodelforallpresenta*ons– Tendencytomakeeverythigintoasalespitch
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Lo-Fi• Thisslidefromasta*s*cs
courseshowsaseriouslyincompletestatement.
• Probablytheshortesttruestatementthatcanbemadeaboutcausalityandcorrela*onis"Empiricallyobservedcovaria1onisanecessarybutnotsufficientcondi1onforcausality."
• Orperhaps"Correla1onisnotcausa1onbutitsureisahint."
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Lo-FiData
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BulletedListsareLazy• Ineverycompanyweknow,planningfollowsthestandard
formatofthebulletoutline...[But]bulletlistsencourageustobelazyinthreespecific,andrelatedways.
• Bulletlistsaretypicallytoogeneric.Theyofferaseriesofthingstodothatcouldapplytoanybusiness....
• Bulletsleavecri*calrela*onshipsunspecified.Listscancommunicateonlythreelogicalrela*onships:– sequence(firsttolastin*me);– priority(leasttomostimportantorviceversa);– orsimplemembershipinaset(theseitemsrelatetooneanotherinsomeway,butthenatureofthatrela*onshipremainsunstated).
• Andalistcanshowonlyoneofthoserela*onshipsata*me.
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Example
• Whatdoesthismean:– Increasemarketshareby25%.– Increaseprofitsby30%.– Increasenew-productintroduc*onstotenayear.
• Whatarereasonableinterpreta*onsofthislist?
• Talktoyourneighbourandcomeupwithmorethanone.
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PowerpointshapestheOrganisa*on
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Apictureiswortha1000words• Thear*stAdReinhardtsaid,
"Asforapicture,ifitisn'tworthathousandwords,thehellwithit."
• Peoplecanquicklylookovertableswithhundredsofnumbersin,say,financialorsportspagesinnewspapers.
• Peopleread300to1,000printedwordsaminute,
• andfindtheirwayaroundaprintedmapora35mmslidedisplaying5to40MBinthevisualfield.
• O:enthevisualchannelisanintenselyhigh-resolu*onchannel.
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WhyisPowerpointsoLo-Fi?
• Designstyleso:enuse60%oftheavailablespace
• Projec*onmeanspowerpointsusebigfonts.• Maybethepresenterdoesn’thavemuchtosay…
• Becertousepaperwithmoredetailedinforma*on…
• Inareaslikeart,typography,cartographymoredetailaddsclarity…
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GecysburgAddress
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GecysburgAddress
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NowConsideraPowerpoint…
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Dataiso:enDense
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Morethought,lessfluff
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Whatotherques*onsarise?
• Talktoyourpartneranddeveloptwoorthreeques*onsyou’dliketoaskaboutthecancerstats…
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ButlookatWeatherData
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TableofCasual*es1647
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FurtherIssues
• Pushingadeclineinthedensityoftextmorewidely.
• Highlysequen*alpresenta*ons.• Lossofcontextbecauseitcan’tbeheldforlong.
• Some*meslinebyline…
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BecerPresenta*ons• Makecontentrelevant,highqualityandwithhigh
standardsofintegrity.• Weakpresenta*onswillboretheaudiencenomacerhow
goodthedesignis.• Besensi*vetowhenthepresenta*onmediumisdistor*ng
thecontent.• PowerPointisacompetentslidemanagerandprojectorfor
low-resolu*onmaterials.Andthat'saboutit.• NeverusePPtemplatestoformatpaperreportsorweb
screens.• UsePPasaprojectorforshowinglow-resolu*oncolor
images,graphics,andvideosthatcannotbereproducedasprintedhandoutsatapresenta*on.
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