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1897年，居里夫人选定了自己的研究课题：对放射性物质的研究。在实验研究中，居里夫人设计了一种测量仪器，不仅能够测出某种物质是否存在射线，而且能测量出射线的强弱。她经过反复实验发现：铀射线的强度与物质...
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1772年法国科学家_______研究了_______成分确定空气中含有_______1965年我国
根据提示利用本单元所学知识完成下面的小作文1.居里夫人出生于波兰华沙Warsaw年轻时来到巴黎读大学
1895年发现X射线拉开物理学革命序幕的科学家是1897年发现阴极射线是带负电的电子流并将阴极射线的
贝克勒，居里夫人
汤姆逊，贝克勒
伦琴，汤姆逊
居里夫人，伦琴
揭示了医学研究团结同道的协作性原则
仅从个人兴趣或追逐个人利益出发选择研究课题是不道德的
居里夫人把氯化镭包在自己的前臂上观察镭对人的皮肤的烧伤状况，表现了崇高的道德
由个人完成发明创造的时代，已经同爱迪生一去不复返了
1969年至1981年的12年间，年轻的心脏病研究者约翰·达西博士共编造假论文100篇以上
尸体解剖有利于医学的发展和总结医疗经验
居里夫人长期从事放射性物质研究工作加上恶劣的实验环境和对身体保护的不够严格时常遭到放射性物质的进入境
提高对艰难困苦的认识能力
对艰难困苦要采取乐观的态度，并能瞥见艰难困苦给人带来的踊跃的作用
要增强艰难困苦的承受能力
保持良好的心态，学会自我调治
1896年发现放射性元素铀的物理学家是发现化学元素镭和钋的是
贝克勒，居里夫人
汤姆逊，伦琴
伦琴，汤姆逊
居里夫人，贝克勒
居里夫人发现的天然放射性元素是哪种元素
鈈
铀
镭
澜
居里夫人对核物理学的发展做出了重大贡献但她在研究工作中长期接触放射性物质患上了白血病.最可能的病因是
基因重组
基因复制
基因分离
基因突变
1896年发现放射性元素铀的物理学家是
贝克勒
汤姆逊
伦琴
居里夫人
居里夫人最早造出人工放射性核
1898年居里夫人发现了放射性元素她又通过艰苦努力于1902年发现了另一种放射性元素
铀； 钍
镭； 钋
钋； 镭
发现新天然放射性元素钋的科技代表人物是
波义耳
拉瓦锡
门捷列夫
居里夫人
居里夫人是在发现镭的
1885年
1886年
1897年
1895年
1896年
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Theessentialweaknessoftheoldandtraditionaleducationwasnotjustthatitemphasizedthenecessityforprovisionofdefinitesubject-matterandactivities.Thesethingsarenecessitiesforanythingthatcanrightlybecallededucation.Theweaknessandevilwasthattheimaginationofeducatorsdidnotgobeyondprovisionofafixedandrigidenvironmentofsubject-matteronedrawnmoreoverfromsourcesaltogethertooremotefromtheexperiencesofthepupil.Whatisneededintheneweducationismoreattentionnotlesstosubject-matterandtoprogressintechnique.ButwhenIsaymoreIdonotmeanmoreinquantityofthesameoldkind.Imeananimaginativevisionwhichseesthatnoprescribedandready-madeschemecanpossiblydeterminetheexactsubject-matterthatwillbestpromotetheeducativegrowthofeveryindividualyoungperson;thateverynewindividualsetsanewproblem;thathecallsforatleastasomewhatdifferentemphasisinsubject-matterpresented.Thereisnothingmoreblindlystupidthantheconventionwhichsupposesthatthematteractuallycontainedintextbooksofarithmetichistorygeographyetc.isjustwhatwillfurthertheeducationaldevelopmentofallchildren. Butwithdrawalfromthehardandfastandnarrowcontentsoftheoldcurriculumisonlythenegativesideofthematter.Ifwedonotgofarinthepositivedirectionofprovidingabodyofsubject-mattermuchrichermorevariedandflexibleandalsointruthmoredefinitejudgedintermsoftheexperienceofthosebeingeducatedthantraditionaleducationsuppliedweshalltendtoleaveaneducationalvacuuminwhichanythingmayhappen.Completeisolationisimpossibleinnature.Theyoungliveinsomeenvironmentwhetherweintenditornotandthisenvironmentisconstantlyinteractingwithwhatchildrenandyouthbringtoit.andtheresultistheshapingoftheirinterestsmindsandcharacter―eithereducativelyormis-educatively.Iftheprofessededucatorgivesuphisresponsibilityforjudgingandselectingthekindofenvironmentthathisbestunderstandingleadshimtothinkwillbecontributivetogrowththentheyoungareleftatthemercyofalltheunorganizedandcasualforcesofthemodernsocialenvironmentthatinevitablyplayuponthemaslongastheylive.Intheeducativeenvironmenttheknowledgejudgmentandexperienceoftheteacherisagreaternotasmallerfactorthanitisinthetraditionalschool.Thedifferenceisthattheteacheroperatesnotasajudgesetonhighandmarkedbyarbitraryauthoritybutasafriendlyco-partnerandguideinacommonenterprise. Intheauthor’’sviewthebasicfaultofoldeducationconsistsin
Thatexperiencesinfluencesubsequentbehaviourisevidenceofanobviousbutneverthelessremarkableactivitycalledremembering.Learningcouldnotoccurwithoutthefunctionpopularlynamedmemory.Constantpracticehassuchaneffectonmemoryastoleadtoskilfulperformanceonthepianotorecitationofapoemandeventoreadingandunderstandingthesewords.So-calledintelligentbehaviourdemandsmemoryrememberingbeingaprimaryrequirementforreasoning.Theabilitytosolveanyproblemoreventorecognizethataproblemexistsdependsonmemory.Typicallythedecisiontocrossastreetisbasedonrememberingmanyearlierexperiences. Practiceorreviewtendstobuildandmaintainmemoryforataskorforanylearnedmaterial.Overaperiodofnopracticewhathasbeenlearnedtendstobeforgotten;andtheadaptiveconsequencesmaynotseemobvious.Yetdramaticinstancesofsuddenforgettingcanbeseentobeadaptive.Inthissensetheabilitytoforgetcanbeinterpretedtohavesurvivedthroughaprocessofnaturalselectioninanimals.Indeedwhenone’’smemoryofanemotionallypainfulexperienceleadstoseriousanxietyforgettingmayproducerelief.Neverthelessanevolutionaryinterpretationmightmakeitdifficulttounderstandhowthecommonlygradualprocessofforgettingsurvivednaturalselection. Inthinkingabouttheevolutionofmemorytogetherwithallitspossibleaspectsitishelpfultoconsiderwhatwouldhappenifmemoriesfailedtofade.Forgettingclearlyaidsorientationintimesinceoldmemoriesweakenandthenewtendtostandoutprovidingcluesforinferringduration.Withoutforgettingadaptiveabilitywouldsuffer;forexamplelearnedbehaviourthatmighthavebeencorrectadecadeagomaynolongerbe.Casesarerecordedofpeoplewhobyordinarystandardsforgotsolittlethattheireverydayactivitieswerefullofconfusion.Thusforgettingseemstoservethesurvivaloftheindividualandthespecies. Anotherlineofthoughtassumesamemorystoragesystemoflimitedcapacitythatprovidesadaptiveflexibilityspecificallythroughforgetting.Inthisviewcontinualadjustmentsaremadebetweenlearningormemorystorageinputandforgettingoutput.Indeedthereisevidencethattherateatwhichindividualsforgetisdirectlyrelatedtohowmuchtheyhavelearned.Suchdataoffergrosssupportofcontemporarymodelsofmemorythatassumeaninput-outputbalance. Inthisarticletheauthortriestointerpretthefunctionof________________.
Scienceisanenterpriseconcernedwithgaininginformationaboutcausalityortherelationshipbetweencauseandeffect.Asimpleexampleofacauseisthemovementofapaddleasitstrikesaping-pongball;theeffectisthemovementoftheballthroughtheair.Inpsychologyandothersciencesthewordcauseisoftenreplacedbythetermindependentvariable.Thistermimpliesthattheexperimenterisoftenfreetovarytheindependentvariableasheorshedesiresforexampletheexperimentercancontrolthespeedofthepaddleasitstrikestheball.Thetermdependentvariablereplacesthewordeffectandthistermisusedbecausetheeffectdependsonsomecharacteristicoftheindependentvariabletheflightoftheballdependsonthespeedofthepaddle.Theconventionsofsciencedemandthatboththeindependentanddependentvariablesbeobservableeventsasisthecaseintheping-pongexample.Inthecaseofbiorhythmtheorytheindependentvariableisthenumberofdaysthathaveelapsedbetweenaperson’’sdateofbirthandsometestday.Thedependentvariableistheperson’’slevelofperformanceonsomespecifiedtaskonthetestday.Noticethatalthoughtheexperimenterisnotfreetochooseabirthdayforagivenindividualpersonswithdifferentdatesofbirthcanbetestedonthesamedayorasinglesubjectcanbetestedonseveraldifferentdays. Inordertopredicttherelationshipbetweenindependentanddependentvariablesmanyscientifictheoriesmakeuseofwhatarecalledinterveningvariables.Interveningvariablesarepurelytheoreticalconceptsthatcannotbeobserveddirectly.Topredicttheflightofaping-pongballNewtonianphysicsreliesonanumberofinterveningvariablesincludingforcemassairresistanceandgravity.Youcanprobablyanticipatethattheinterveningvariablesofbiorhythmtheoryarethethreebodilycycleswiththeirspecifiedtimeperiods.Itshouldbeemphasizedthatnotallpsychologicaltheoriesincludeinterveningvariablesandsomepsychologistsobjecttotheirusepreciselybecausetheyarenotdirectlyobservable. Thefinalmajorcomponentofascientifictheoryisitssyntaxortherulesanddefinitionsthatstatehowtheindependentanddependentvariablesaretobemeasuredandthatspecifytherelationshipsamongindependentvariablesinterveningvariablesanddependentvariables.Itisthesyntaxofbiorhythmtheorythatdescribeshowtouseaperson’’sbirthdaytocalculatethecurrentstatusofthethreecycles.Thesyntaxalsorelatesthecyclestothedependentvariableperformancebystatingthatpositivecyclesshouldcausehighlevelsofperformancewhereasloworcriticalcyclesshouldcauselowperformancelevels.Tosummarizethecomponentsofascientifictheorycanbedividedintofourmajorcategories:independentvariablesdependentvariablesinterveningvariablesandsyntax. Accordingtobiorhythmtheory
Scienceinpracticedependsfarlessontheexperimentsitpreparesthanonthepreparednessofthemindsofthemenwhowatchtheexperiments.SirIsaacNewtonsupposedlydiscoveredgravitythroughthefallofanapple.Appleshadbeenfallinginmanyplacesforcenturiesandthousandsofpeoplehadseenthemfall.ButNewtonforyearshadbeencuriousaboutthecauseoftheorbitalmotionofthemoonandplanets.WhatkepttheminplaceWhydidn’’ttheyfalloutoftheskyThefactthattheapplefelldowntowardtheearthandnotupintothetreeansweredthequestionhehadbeenaskinghimselfaboutthoselargerfruitsoftheheavensthemoonandtheplanets. HowmanymenwouldhaveconsideredthepossibilityofanapplefallingupintothetreeNewtondidbecausehewasnottryingtopredictanything.Hewasjustwondering.Hismindwasreadyfortheunpredictable.Unpredictabilityispartoftheessentialnatureofresearch.Ifyoudon’’thaveunpredictablethingsyoudon’’thaveresearch.Scientiststendtoforgetthiswhenwritingtheircutanddriedreportsforthetechnicaljournalsbuthistoryisfilledwithexamplesofit. Intalkingtosomescientistsparticularlyyoungeronesyoumightgathertheimpressionthattheyfindthescientificmethodasubstituteforimaginativethought.I’’veattendedresearchconferenceswhereascientisthasbeenaskedwhathethinksabouttheadvisabilityofcontinuingacertainexperiment.Thescientisthasfrownedlookedatthegraphsandsaidthedataarestillinconclusive.WeknowthatthemenfromthebudgetofficehavesaidbutwhatdoyouthinkIsitworthwhilegoingonWhatdoyouthinkwemightexpectThescientisthasbeenshockedathavingevenbeenaskedtospeculate. Whatthisamountstoofcourseisthatthescientisthasbecomethevictimofhisownwritings.Hehasputforwardunquestionedclaimssoconsistentlythathenotonlybelievesthemhimselfbuthasconvincedindustrialandbusinessmanagementthattheyaretrue.Ifexperimentsareplannedandcarriedoutaccordingtoplanasfaithfullyasthereportsinthesciencejournalsindicatethenitisperfectlylogicalformanagementtoexpectresearchtoproduceresultsmeasurableindollarsandcents.Itisentirelyreasonableforauditorstobelievethatscientistswhoknowexactlywheretheyaregoingandhowtheywillgetthereshouldnotbedistractedbythenecessityofkeepingoneeyeonthecashregisterwhiletheothereyeisonthemicroscope.Norifregularityandconformitytoastandardpatternareasdesirabletothescientistasthewritingofhispaperswouldappeartoreflectismanagementtobeblamedfordiscriminatingagainsttheoddballsamongresearchersinfavorofmoreconventionalthinkerswhoworkwellwiththeteam. Theauthorimpliesthattheresultsofscientificresearch____________.
1Interpretthefollowingpictures. 2Predictthetendencyoftobaccoconsumptionandgiveyourreasons.
Inlessthan30years’’timetheStarTrekholodeckwillbeareality.Directlinksbetweenthebrain’’snervoussystemandacomputerwillalsocreatefullsensoryvirtualenvironmentsallowingvirtualvacationslikethoseinthefilmTotalRecall. 71.Therewillbetelevisionchatshowshostedbyrobotsandcarswithpollutionmonitorsthatwilldisablethemwhentheyoffend.72.Childrenwillplaywithdollsequippedwithpersonalitychipscomputerswithin-builtpersonalitieswillberegardedasworkmatesratherthantoolsrelaxationwillbeinfrontofsmell-televisionanddigitalagewillhavearrived. AccordingtoBT’’sfuturologistIanPearsontheseareamongthedevelopmentsscheduledforthefirstfewdecadesofthenewmillenniumaperiodof1000yearswhensupercomputerswilldramaticallyaccelerateprogressinallareasoflife. 73.Pearsonhaspiecedtogethertheworkofhundredsofresearchersaroundtheworldtoproduceauniquemillenniumtechnologycalendarthatgivesthelatestdateswhenwecanexpecthundredsorkeybreakthroughsanddiscoveriestotakeplace.Someofthebiggestdevelopmentswillbeinmedicineincludinganextendedlifeexpectancyanddozensofartificialorganscomingintousebetweennowand2040. Pearsonalsopredictsabreakthroughincomputer-humanlinks.BylinkingdirectlytoournervoussystemcomputerscouldpickupwhatwefeelandhopefullysimulatefeelingtoosothatwecanstarttodevelopfullsensoryenvironmentsratherliketheholidaysinTotalRecallortheStarTrekholodeckhesays.74.ButthatPearsonpointsoutisonlythestartofman-machineintegration:Itwillbethebeginningofthelongprocessofintegrationthatwillultimatelyleadtoafullyelectronichumanbeforetheendofthenextcentury. ThroughhisresearchPearsonisabletoputdatestomostofthebreakthroughsthatcanbepredicted.Howevertherearestillnoforecastsforwhenfaster-that-lighttravelwillbeavailableorwhenhumancloningwillbeperfectedorwhentimetravelwillbepossible.Buthedoesexpectsocialproblemsasaresultoftechnologicaladvances.Aboominneighborhoodsurveillancecameraswillforexamplecauseproblemsin2010whilethearrivalofsyntheticlifelikerobotswillmeanpeoplemaynotbeabletodistinguishbetweentheirhumanfriendsandthedroids.75.Andhomeapplianceswillalsobecomesosmartthatcontrollingandoperatingthemwillresultinthebreakoutofanewpsychologicaldisorder--kitchenrage.
Thatexperiencesinfluencesubsequentbehaviourisevidenceofanobviousbutneverthelessremarkableactivitycalledremembering.Learningcouldnotoccurwithoutthefunctionpopularlynamedmemory.Constantpracticehassuchaneffectonmemoryastoleadtoskilfulperformanceonthepianotorecitationofapoemandeventoreadingandunderstandingthesewords.So-calledintelligentbehaviourdemandsmemoryrememberingbeingaprimaryrequirementforreasoning.Theabilitytosolveanyproblemoreventorecognizethataproblemexistsdependsonmemory.Typicallythedecisiontocrossastreetisbasedonrememberingmanyearlierexperiences. Practiceorreviewtendstobuildandmaintainmemoryforataskorforanylearnedmaterial.Overaperiodofnopracticewhathasbeenlearnedtendstobeforgotten;andtheadaptiveconsequencesmaynotseemobvious.Yetdramaticinstancesofsuddenforgettingcanbeseentobeadaptive.Inthissensetheabilitytoforgetcanbeinterpretedtohavesurvivedthroughaprocessofnaturalselectioninanimals.Indeedwhenone’’smemoryofanemotionallypainfulexperienceleadstoseriousanxietyforgettingmayproducerelief.Neverthelessanevolutionaryinterpretationmightmakeitdifficulttounderstandhowthecommonlygradualprocessofforgettingsurvivednaturalselection. Inthinkingabouttheevolutionofmemorytogetherwithallitspossibleaspectsitishelpfultoconsiderwhatwouldhappenifmemoriesfailedtofade.Forgettingclearlyaidsorientationintimesinceoldmemoriesweakenandthenewtendtostandoutprovidingcluesforinferringduration.Withoutforgettingadaptiveabilitywouldsuffer;forexamplelearnedbehaviourthatmighthavebeencorrectadecadeagomaynolongerbe.Casesarerecordedofpeoplewhobyordinarystandardsforgotsolittlethattheireverydayactivitieswerefullofconfusion.Thusforgettingseemstoservethesurvivaloftheindividualandthespecies. Anotherlineofthoughtassumesamemorystoragesystemoflimitedcapacitythatprovidesadaptiveflexibilityspecificallythroughforgetting.Inthisviewcontinualadjustmentsaremadebetweenlearningormemorystorageinputandforgettingoutput.Indeedthereisevidencethattherateatwhichindividualsforgetisdirectlyrelatedtohowmuchtheyhavelearned.Suchdataoffergrosssupportofcontemporarymodelsofmemorythatassumeaninput-outputbalance. Accordingtothepassageifapersonneverforgot________________.
Inlessthan30years’’timetheStarTrekholodeckwillbeareality.Directlinksbetweenthebrain’’snervoussystemandacomputerwillalsocreatefullsensoryvirtualenvironmentsallowingvirtualvacationslikethoseinthefilmTotalRecall. 71.Therewillbetelevisionchatshowshostedbyrobotsandcarswithpollutionmonitorsthatwilldisablethemwhentheyoffend.72.Childrenwillplaywithdollsequippedwithpersonalitychipscomputerswithin-builtpersonalitieswillberegardedasworkmatesratherthantoolsrelaxationwillbeinfrontofsmell-televisionanddigitalagewillhavearrived. AccordingtoBT’’sfuturologistIanPearsontheseareamongthedevelopmentsscheduledforthefirstfewdecadesofthenewmillenniumaperiodof1000yearswhensupercomputerswilldramaticallyaccelerateprogressinallareasoflife. 73.Pearsonhaspiecedtogethertheworkofhundredsofresearchersaroundtheworldtoproduceauniquemillenniumtechnologycalendarthatgivesthelatestdateswhenwecanexpecthundredsorkeybreakthroughsanddiscoveriestotakeplace.Someofthebiggestdevelopmentswillbeinmedicineincludinganextendedlifeexpectancyanddozensofartificialorganscomingintousebetweennowand2040. Pearsonalsopredictsabreakthroughincomputer-humanlinks.BylinkingdirectlytoournervoussystemcomputerscouldpickupwhatwefeelandhopefullysimulatefeelingtoosothatwecanstarttodevelopfullsensoryenvironmentsratherliketheholidaysinTotalRecallortheStarTrekholodeckhesays.74.ButthatPearsonpointsoutisonlythestartofman-machineintegration:Itwillbethebeginningofthelongprocessofintegrationthatwillultimatelyleadtoafullyelectronichumanbeforetheendofthenextcentury. ThroughhisresearchPearsonisabletoputdatestomostofthebreakthroughsthatcanbepredicted.Howevertherearestillnoforecastsforwhenfaster-that-lighttravelwillbeavailableorwhenhumancloningwillbeperfectedorwhentimetravelwillbepossible.Buthedoesexpectsocialproblemsasaresultoftechnologicaladvances.Aboominneighborhoodsurveillancecameraswillforexamplecauseproblemsin2010whilethearrivalofsyntheticlifelikerobotswillmeanpeoplemaynotbeabletodistinguishbetweentheirhumanfriendsandthedroids.75.Andhomeapplianceswillalsobecomesosmartthatcontrollingandoperatingthemwillresultinthebreakoutofanewpsychologicaldisorder--kitchenrage. Inlessthan30years’’timetheStarTrekholodeckwillbeareality.Directlinksbetweenthebrain’’snervoussystemandacomputerwillalsocreatefullsensoryvirtualenvironmentsallowingvirtualvacationslikethoseinthefilmTotalRecall. 71.Therewillbetelevisionchatshowshostedbyrobotsandcarswithpollutionmonitorsthatwilldisablethemwhentheyoffend.72.Childrenwillplaywithdollsequippedwithpersonalitychipscomputerswithin-builtpersonalitieswillberegardedasworkmatesratherthantoolsrelaxationwillbeinfrontofsmell-televisionanddigitalagewillhavearrived. AccordingtoBT’’sfuturologistIanPearsontheseareamongthedevelopmentsscheduledforthefirstfewdecadesofthenewmillenniumaperiodof1000yearswhensupercomputerswilldramaticallyaccelerateprogressinallareasoflife. 73.Pearsonhaspiecedtogethertheworkofhundredsofresearchersaroundtheworldtoproduceauniquemillenniumtechnologycalendarthatgivesthelatestdateswhenwecanexpecthundredsorkeybreakthroughsanddiscoveriestotakeplace.Someofthebiggestdevelopmentswillbeinmedicineincludinganextendedlifeexpectancyanddozensofartificialorganscomingintousebetweennowand2040. Pearsonalsopredictsabreakthroughincomputer-humanlinks.BylinkingdirectlytoournervoussystemcomputerscouldpickupwhatwefeelandhopefullysimulatefeelingtoosothatwecanstarttodevelopfullsensoryenvironmentsratherliketheholidaysinTotalRecallortheStarTrekholodeckhesays.74.ButthatPearsonpointsoutisonlythestartofman-machineintegration:Itwillbethebeginningofthelongprocessofintegrationthatwillultimatelyleadtoafullyelectronichumanbeforetheendofthenextcentury. ThroughhisresearchPearsonisabletoputdatestomostofthebreakthroughsthatcanbepredicted.Howevertherearestillnoforecastsforwhenfaster-that-lighttravelwillbeavailableorwhenhumancloningwillbeperfectedorwhentimetravelwillbepossible.Buthedoesexpectsocialproblemsasaresultoftechnologicaladvances.Aboominneighborhoodsurveillancecameraswillforexamplecauseproblemsin2010whilethearrivalofsyntheticlifelikerobotswillmeanpeoplemaynotbeabletodistinguishbetweentheirhumanfriendsandthedroids.75.Andhomeapplianceswillalsobecomesosmartthatcontrollingandoperatingthemwillresultinthebreakoutofanewpsychologicaldisorder--kitchenrage.
Mentalmodelsguideourperceptionsandhelpusmakepredictions.Mostofourmentalmodelsarebuilt1thestructureofournervoussystemsandweareusually2ofthem. We3theworldnotaccordingtodirectknowledgeofrealitybutaccordingtomentalmodelswhichpeopleoftenmistake4reality.Forexampleweallshareabuilt-inmentalmodelthattheworldiscontinuous5oureyestellusdifferently.Thisbuilt-inmentalmodeltellsuswhattoseeinapartoftheeyethatdoesn’’t6seeanything.Thisblindspotmodelcausesusto7made-upinformationacontinuationofsurroundingpatternsand8thatifwelookatapreviouslyhiddenspotitwilllooklikeits9. Notallmentalmodelsarebuiltin;somewelearnor10.Forexamplemostpeoplebelievethattheautomobilesdrivingdownthestreetwillnotturn11thesidewalkandhitpedestrians.Ifwebelieve12wewouldactlike13squirrelsalwaysstoppingtolookaroundandproceeding14noautomobileswereoperatingnearby. Weusementalmodelsofoursurroundingstoperceivewhatwebelievetobe15andtopredictwhatmayhappen.Thesementalmodels16tooursurroundings--wehavementalmodelsofobjectsoftheenvironmentandofotherpeople--andtoourowncapabilitiesand17 Allofourmentalmodelsareunfortunatelyapproximations18inthelumpofnervoustissuewecallthebrain.Sophisticated19thebrainisitisverysmallandsimplecomparedwiththe20oftheoutsideworld.
Theessentialweaknessoftheoldandtraditionaleducationwasnotjustthatitemphasizedthenecessityforprovisionofdefinitesubject-matterandactivities.Thesethingsarenecessitiesforanythingthatcanrightlybecallededucation.Theweaknessandevilwasthattheimaginationofeducatorsdidnotgobeyondprovisionofafixedandrigidenvironmentofsubject-matteronedrawnmoreoverfromsourcesaltogethertooremotefromtheexperiencesofthepupil.Whatisneededintheneweducationismoreattentionnotlesstosubject-matterandtoprogressintechnique.ButwhenIsaymoreIdonotmeanmoreinquantityofthesameoldkind.Imeananimaginativevisionwhichseesthatnoprescribedandready-madeschemecanpossiblydeterminetheexactsubject-matterthatwillbestpromotetheeducativegrowthofeveryindividualyoungperson;thateverynewindividualsetsanewproblem;thathecallsforatleastasomewhatdifferentemphasisinsubject-matterpresented.Thereisnothingmoreblindlystupidthantheconventionwhichsupposesthatthematteractuallycontainedintextbooksofarithmetichistorygeographyetc.isjustwhatwillfurthertheeducationaldevelopmentofallchildren. Butwithdrawalfromthehardandfastandnarrowcontentsoftheoldcurriculumisonlythenegativesideofthematter.Ifwedonotgofarinthepositivedirectionofprovidingabodyofsubject-mattermuchrichermorevariedandflexibleandalsointruthmoredefinitejudgedintermsoftheexperienceofthosebeingeducatedthantraditionaleducationsuppliedweshalltendtoleaveaneducationalvacuuminwhichanythingmayhappen.Completeisolationisimpossibleinnature.Theyoungliveinsomeenvironmentwhetherweintenditornotandthisenvironmentisconstantlyinteractingwithwhatchildrenandyouthbringtoit.andtheresultistheshapingoftheirinterestsmindsandcharacter―eithereducativelyormis-educatively.Iftheprofessededucatorgivesuphisresponsibilityforjudgingandselectingthekindofenvironmentthathisbestunderstandingleadshimtothinkwillbecontributivetogrowththentheyoungareleftatthemercyofalltheunorganizedandcasualforcesofthemodernsocialenvironmentthatinevitablyplayuponthemaslongastheylive.Intheeducativeenvironmenttheknowledgejudgmentandexperienceoftheteacherisagreaternotasmallerfactorthanitisinthetraditionalschool.Thedifferenceisthattheteacheroperatesnotasajudgesetonhighandmarkedbyarbitraryauthoritybutasafriendlyco-partnerandguideinacommonenterprise. Therewillbetheriskofforminganeducationalblankif
Inlessthan30years’’timetheStarTrekholodeckwillbeareality.Directlinksbetweenthebrain’’snervoussystemandacomputerwillalsocreatefullsensoryvirtualenvironmentsallowingvirtualvacationslikethoseinthefilmTotalRecall. 71.Therewillbetelevisionchatshowshostedbyrobotsandcarswithpollutionmonitorsthatwilldisablethemwhentheyoffend.72.Childrenwillplaywithdollsequippedwithpersonalitychipscomputerswithin-builtpersonalitieswillberegardedasworkmatesratherthantoolsrelaxationwillbeinfrontofsmell-televisionanddigitalagewillhavearrived. AccordingtoBT’’sfuturologistIanPearsontheseareamongthedevelopmentsscheduledforthefirstfewdecadesofthenewmillenniumaperiodof1000yearswhensupercomputerswilldramaticallyaccelerateprogressinallareasoflife. 73.Pearsonhaspiecedtogethertheworkofhundredsofresearchersaroundtheworldtoproduceauniquemillenniumtechnologycalendarthatgivesthelatestdateswhenwecanexpecthundredsorkeybreakthroughsanddiscoveriestotakeplace.Someofthebiggestdevelopmentswillbeinmedicineincludinganextendedlifeexpectancyanddozensofartificialorganscomingintousebetweennowand2040. Pearsonalsopredictsabreakthroughincomputer-humanlinks.BylinkingdirectlytoournervoussystemcomputerscouldpickupwhatwefeelandhopefullysimulatefeelingtoosothatwecanstarttodevelopfullsensoryenvironmentsratherliketheholidaysinTotalRecallortheStarTrekholodeckhesays.74.ButthatPearsonpointsoutisonlythestartofman-machineintegration:Itwillbethebeginningofthelongprocessofintegrationthatwillultimatelyleadtoafullyelectronichumanbeforetheendofthenextcentury. ThroughhisresearchPearsonisabletoputdatestomostofthebreakthroughsthatcanbepredicted.Howevertherearestillnoforecastsforwhenfaster-that-lighttravelwillbeavailableorwhenhumancloningwillbeperfectedorwhentimetravelwillbepossible.Buthedoesexpectsocialproblemsasaresultoftechnologicaladvances.Aboominneighborhoodsurveillancecameraswillforexamplecauseproblemsin2010whilethearrivalofsyntheticlifelikerobotswillmeanpeoplemaynotbeabletodistinguishbetweentheirhumanfriendsandthedroids.75.Andhomeapplianceswillalsobecomesosmartthatcontrollingandoperatingthemwillresultinthebreakoutofanewpsychologicaldisorder--kitchenrage.
Scienceisanenterpriseconcernedwithgaininginformationaboutcausalityortherelationshipbetweencauseandeffect.Asimpleexampleofacauseisthemovementofapaddleasitstrikesaping-pongball;theeffectisthemovementoftheballthroughtheair.Inpsychologyandothersciencesthewordcauseisoftenreplacedbythetermindependentvariable.Thistermimpliesthattheexperimenterisoftenfreetovarytheindependentvariableasheorshedesiresforexampletheexperimentercancontrolthespeedofthepaddleasitstrikestheball.Thetermdependentvariablereplacesthewordeffectandthistermisusedbecausetheeffectdependsonsomecharacteristicoftheindependentvariabletheflightoftheballdependsonthespeedofthepaddle.Theconventionsofsciencedemandthatboththeindependentanddependentvariablesbeobservableeventsasisthecaseintheping-pongexample.Inthecaseofbiorhythmtheorytheindependentvariableisthenumberofdaysthathaveelapsedbetweenaperson’’sdateofbirthandsometestday.Thedependentvariableistheperson’’slevelofperformanceonsomespecifiedtaskonthetestday.Noticethatalthoughtheexperimenterisnotfreetochooseabirthdayforagivenindividualpersonswithdifferentdatesofbirthcanbetestedonthesamedayorasinglesubjectcanbetestedonseveraldifferentdays. Inordertopredicttherelationshipbetweenindependentanddependentvariablesmanyscientifictheoriesmakeuseofwhatarecalledinterveningvariables.Interveningvariablesarepurelytheoreticalconceptsthatcannotbeobserveddirectly.Topredicttheflightofaping-pongballNewtonianphysicsreliesonanumberofinterveningvariablesincludingforcemassairresistanceandgravity.Youcanprobablyanticipatethattheinterveningvariablesofbiorhythmtheoryarethethreebodilycycleswiththeirspecifiedtimeperiods.Itshouldbeemphasizedthatnotallpsychologicaltheoriesincludeinterveningvariablesandsomepsychologistsobjecttotheirusepreciselybecausetheyarenotdirectlyobservable. Thefinalmajorcomponentofascientifictheoryisitssyntaxortherulesanddefinitionsthatstatehowtheindependentanddependentvariablesaretobemeasuredandthatspecifytherelationshipsamongindependentvariablesinterveningvariablesanddependentvariables.Itisthesyntaxofbiorhythmtheorythatdescribeshowtouseaperson’’sbirthdaytocalculatethecurrentstatusofthethreecycles.Thesyntaxalsorelatesthecyclestothedependentvariableperformancebystatingthatpositivecyclesshouldcausehighlevelsofperformancewhereasloworcriticalcyclesshouldcauselowperformancelevels.Tosummarizethecomponentsofascientifictheorycanbedividedintofourmajorcategories:independentvariablesdependentvariablesinterveningvariablesandsyntax. Manytheoriesforpredictingtherelationshipbetweencauseandeffect
Theessentialweaknessoftheoldandtraditionaleducationwasnotjustthatitemphasizedthenecessityforprovisionofdefinitesubject-matterandactivities.Thesethingsarenecessitiesforanythingthatcanrightlybecallededucation.Theweaknessandevilwasthattheimaginationofeducatorsdidnotgobeyondprovisionofafixedandrigidenvironmentofsubject-matteronedrawnmoreoverfromsourcesaltogethertooremotefromtheexperiencesofthepupil.Whatisneededintheneweducationismoreattentionnotlesstosubject-matterandtoprogressintechnique.ButwhenIsaymoreIdonotmeanmoreinquantityofthesameoldkind.Imeananimaginativevisionwhichseesthatnoprescribedandready-madeschemecanpossiblydeterminetheexactsubject-matterthatwillbestpromotetheeducativegrowthofeveryindividualyoungperson;thateverynewindividualsetsanewproblem;thathecallsforatleastasomewhatdifferentemphasisinsubject-matterpresented.Thereisnothingmoreblindlystupidthantheconventionwhichsupposesthatthematteractuallycontainedintextbooksofarithmetichistorygeographyetc.isjustwhatwillfurthertheeducationaldevelopmentofallchildren. Butwithdrawalfromthehardandfastandnarrowcontentsoftheoldcurriculumisonlythenegativesideofthematter.Ifwedonotgofarinthepositivedirectionofprovidingabodyofsubject-mattermuchrichermorevariedandflexibleandalsointruthmoredefinitejudgedintermsoftheexperienceofthosebeingeducatedthantraditionaleducationsuppliedweshalltendtoleaveaneducationalvacuuminwhichanythingmayhappen.Completeisolationisimpossibleinnature.Theyoungliveinsomeenvironmentwhetherweintenditornotandthisenvironmentisconstantlyinteractingwithwhatchildrenandyouthbringtoit.andtheresultistheshapingoftheirinterestsmindsandcharacter―eithereducativelyormis-educatively.Iftheprofessededucatorgivesuphisresponsibilityforjudgingandselectingthekindofenvironmentthathisbestunderstandingleadshimtothinkwillbecontributivetogrowththentheyoungareleftatthemercyofalltheunorganizedandcasualforcesofthemodernsocialenvironmentthatinevitablyplayuponthemaslongastheylive.Intheeducativeenvironmenttheknowledgejudgmentandexperienceoftheteacherisagreaternotasmallerfactorthanitisinthetraditionalschool.Thedifferenceisthattheteacheroperatesnotasajudgesetonhighandmarkedbyarbitraryauthoritybutasafriendlyco-partnerandguideinacommonenterprise. Pupilsmaybewellguardedagainstiiisocialinfluencesaslongas
Scienceinpracticedependsfarlessontheexperimentsitpreparesthanonthepreparednessofthemindsofthemenwhowatchtheexperiments.SirIsaacNewtonsupposedlydiscoveredgravitythroughthefallofanapple.Appleshadbeenfallinginmanyplacesforcenturiesandthousandsofpeoplehadseenthemfall.ButNewtonforyearshadbeencuriousaboutthecauseoftheorbitalmotionofthemoonandplanets.WhatkepttheminplaceWhydidn’’ttheyfalloutoftheskyThefactthattheapplefelldowntowardtheearthandnotupintothetreeansweredthequestionhehadbeenaskinghimselfaboutthoselargerfruitsoftheheavensthemoonandtheplanets. HowmanymenwouldhaveconsideredthepossibilityofanapplefallingupintothetreeNewtondidbecausehewasnottryingtopredictanything.Hewasjustwondering.Hismindwasreadyfortheunpredictable.Unpredictabilityispartoftheessentialnatureofresearch.Ifyoudon’’thaveunpredictablethingsyoudon’’thaveresearch.Scientiststendtoforgetthiswhenwritingtheircutanddriedreportsforthetechnicaljournalsbuthistoryisfilledwithexamplesofit. Intalkingtosomescientistsparticularlyyoungeronesyoumightgathertheimpressionthattheyfindthescientificmethodasubstituteforimaginativethought.I’’veattendedresearchconferenceswhereascientisthasbeenaskedwhathethinksabouttheadvisabilityofcontinuingacertainexperiment.Thescientisthasfrownedlookedatthegraphsandsaidthedataarestillinconclusive.WeknowthatthemenfromthebudgetofficehavesaidbutwhatdoyouthinkIsitworthwhilegoingonWhatdoyouthinkwemightexpectThescientisthasbeenshockedathavingevenbeenaskedtospeculate. Whatthisamountstoofcourseisthatthescientisthasbecomethevictimofhisownwritings.Hehasputforwardunquestionedclaimssoconsistentlythathenotonlybelievesthemhimselfbuthasconvincedindustrialandbusinessmanagementthattheyaretrue.Ifexperimentsareplannedandcarriedoutaccordingtoplanasfaithfullyasthereportsinthesciencejournalsindicatethenitisperfectlylogicalformanagementtoexpectresearchtoproduceresultsmeasurableindollarsandcents.Itisentirelyreasonableforauditorstobelievethatscientistswhoknowexactlywheretheyaregoingandhowtheywillgetthereshouldnotbedistractedbythenecessityofkeepingoneeyeonthecashregisterwhiletheothereyeisonthemicroscope.Norifregularityandconformitytoastandardpatternareasdesirabletothescientistasthewritingofhispaperswouldappeartoreflectismanagementtobeblamedfordiscriminatingagainsttheoddballsamongresearchersinfavorofmoreconventionalthinkerswhoworkwellwiththeteam. Theauthorassertsthatscientists__________________.
Mentalmodelsguideourperceptionsandhelpusmakepredictions.Mostofourmentalmodelsarebuilt1thestructureofournervoussystemsandweareusually2ofthem. We3theworldnotaccordingtodirectknowledgeofrealitybutaccordingtomentalmodelswhichpeopleoftenmistake4reality.Forexampleweallshareabuilt-inmentalmodelthattheworldiscontinuous5oureyestellusdifferently.Thisbuilt-inmentalmodeltellsuswhattoseeinapartoftheeyethatdoesn’’t6seeanything.Thisblindspotmodelcausesusto7made-upinformationacontinuationofsurroundingpatternsand8thatifwelookatapreviouslyhiddenspotitwilllooklikeits9. Notallmentalmodelsarebuiltin;somewelearnor10.Forexamplemostpeoplebelievethattheautomobilesdrivingdownthestreetwillnotturn11thesidewalkandhitpedestrians.Ifwebelieve12wewouldactlike13squirrelsalwaysstoppingtolookaroundandproceeding14noautomobileswereoperatingnearby. Weusementalmodelsofoursurroundingstoperceivewhatwebelievetobe15andtopredictwhatmayhappen.Thesementalmodels16tooursurroundings--wehavementalmodelsofobjectsoftheenvironmentandofotherpeople--andtoourowncapabilitiesand17 Allofourmentalmodelsareunfortunatelyapproximations18inthelumpofnervoustissuewecallthebrain.Sophisticated19thebrainisitisverysmallandsimplecomparedwiththe20oftheoutsideworld.
Mentalmodelsguideourperceptionsandhelpusmakepredictions.Mostofourmentalmodelsarebuilt1thestructureofournervoussystemsandweareusually2ofthem. We3theworldnotaccordingtodirectknowledgeofrealitybutaccordingtomentalmodelswhichpeopleoftenmistake4reality.Forexampleweallshareabuilt-inmentalmodelthattheworldiscontinuous5oureyestellusdifferently.Thisbuilt-inmentalmodeltellsuswhattoseeinapartoftheeyethatdoesn’’t6seeanything.Thisblindspotmodelcausesusto7made-upinformationacontinuationofsurroundingpatternsand8thatifwelookatapreviouslyhiddenspotitwilllooklikeits9. Notallmentalmodelsarebuiltin;somewelearnor10.Forexamplemostpeoplebelievethattheautomobilesdrivingdownthestreetwillnotturn11thesidewalkandhitpedestrians.Ifwebelieve12wewouldactlike13squirrelsalwaysstoppingtolookaroundandproceeding14noautomobileswereoperatingnearby. Weusementalmodelsofoursurroundingstoperceivewhatwebelievetobe15andtopredictwhatmayhappen.Thesementalmodels16tooursurroundings--wehavementalmodelsofobjectsoftheenvironmentandofotherpeople--andtoourowncapabilitiesand17 Allofourmentalmodelsareunfortunatelyapproximations18inthelumpofnervoustissuewecallthebrain.Sophisticated19thebrainisitisverysmallandsimplecomparedwiththe20oftheoutsideworld.
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