I專家效度評價(jià)表您好!請?jiān)徫掖驍_您并占用您寶貴的時(shí)間！我是黃淮學(xué)院體育系11級的學(xué)生，所做的畢業(yè)論文題目是《濮陽市華龍區(qū)高中排球運(yùn)動(dòng)的開展現(xiàn)狀與對策研究》。根據(jù)研究內(nèi)容設(shè)計(jì)了此調(diào)查問卷，現(xiàn)就問卷的合理性與有效性征求您的意見和建議，請您在百忙中對問卷的內(nèi)容效度進(jìn)行評定。您的職稱是：（請?jiān)谙鄳?yīng)的空格內(nèi)劃“√”）教授副教授講師其他您對問卷的內(nèi)容評價(jià)為：（請?jiān)谙鄳?yīng)的空格內(nèi)劃“√”）高較高一般程度您對問卷的結(jié)構(gòu)評價(jià)為：（請?jiān)谙鄳?yīng)的空格內(nèi)劃“√”）合理較合理不合理程度您對問卷的總體設(shè)計(jì)評價(jià)為：（請?jiān)谙鄳?yīng)的空格內(nèi)劃“√”）合理較合理不合理程度您對問卷的修改意見是：您的簽名：附錄II關(guān)于濮陽市華龍區(qū)高中排球教學(xué)現(xiàn)狀的問卷尊敬的各位同學(xué)：你們好！我是黃淮學(xué)院體育系11級的學(xué)生，面臨畢業(yè)論文的寫作，現(xiàn)對濮陽市華龍區(qū)高級中學(xué)排球教學(xué)現(xiàn)狀進(jìn)行調(diào)查而制定調(diào)查問卷表，望大家能認(rèn)真作答，你的回答對我的論文寫作有著重要作用。在此我深刻表示謝意！黃淮學(xué)院學(xué)生：葛勝豹中學(xué)（）年級（）性別：男（）女（）（1）你喜歡哪樣排球運(yùn)動(dòng)：①硬式排球②軟式排球（2）你是否喜歡上排球課：①喜歡②可以③一般④不喜歡（3）你上排球課的動(dòng)機(jī)是：①鍛煉身體②提高技術(shù)③學(xué)習(xí)放松④考大學(xué)⑤不知道（4）排球項(xiàng)目中你最喜歡的是：①排球比賽②排球技術(shù)的優(yōu)美性（5）你對排球課老師態(tài)度：①滿意②可以③一般④差（6）你對排球老師的技術(shù)水平：①滿意②可以③一般④差（7）你上排球課，是否能深入其中：①是②可以③一般④不能（8）你覺得排球器材是否夠用：①是②可以③一般④不夠（9）學(xué)校領(lǐng)導(dǎo)對排球課教學(xué)是否重視：①重視②較重視③同等對待④不重視（10）你對教師教學(xué)方法的運(yùn)用：①滿意②可以③一般④差（11）你對教師教學(xué)技巧的運(yùn)用：①滿意②可以③一般④差（12）你課余時(shí)間是否會(huì)去打排球：①是②否（13）你課余時(shí)間都是在哪玩排球：①校內(nèi)排球場②學(xué)?？盏丌蹮o固定地點(diǎn)④其他(14)你和老師之間的關(guān)系如何：①非常滿意②滿意③一般④不滿意（15）你對排球課的學(xué)習(xí)興趣如何:①非常喜歡②喜歡③無所謂④不喜歡（16）排球教師的年齡分布如何：①25歲以下②26-35歲③36-45歲④46-55歲（17）你最喜歡排球課哪種類型的活動(dòng)：①徒手類②帶球類③游戲類④綜合類請?jiān)谙旅姹砀窭锩嬲J(rèn)為符合你情況的空格處打上（√）注意力（%）情緒（%）類型集中較集中一般高漲一般無變化徒手類帶球類游戲類綜合類

請刪除以下內(nèi)容，O(∩_∩)O謝謝！?。onduction,transferofheatorelectricitythroughasubstance,resultingfromadifferenceintemperaturebetweendifferentpartsofthesubstance,inthecaseofheat,orfromadifferenceinelectricpotential,inthecaseofelectricity.Sinceheatisenergyassociatedwiththemotionsoftheparticlesmakingupthesubstance,itistransferredbysuchmotions,shiftingfromregionsofhighertemperature,wheretheparticlesaremoreenergetic,toregionsoflowertemperature.Therateofheatflowbetweentworegionsisproportionaltothetemperaturedifferencebetweenthemandtheheatconductivityofthesubstance.Insolids,themoleculesthemselvesareboundandcontributetoconductionofheatmainlybyvibratingagainstneighboringmolecules;amoreimportantmechanism,however,isthemigrationofenergeticfreeelectronsthroughthesolid.Metals,whichhaveahighfree-electrondensity,aregoodconductorsofheat,whilenonmetals,suchaswoodorglass,havefewfreeelectronsanddonotconductaswell.Especiallypoorconductors,suchasasbestos,havebeenusedasinsulatorstoimpedeheatflow(seeinsulation).Liquidsandgaseshavetheirmoleculesfartherapartandaregenerallypoorconductorsofheat.Conductionofelectricityconsistsoftheflowofchargesasaresultofanelectromotiveforce,orpotentialdifference.Therateofflow,i.e.,theelectriccurrent,isproportionaltothepotentialdifferenceandtotheelectricalconductivityofthesubstance,whichinturndependsonthenatureofthesubstance,itscross-sectionalarea,anditstemperature.Insolids,electriccurrentconsistsofaflowofelectrons;asinthecaseofheatconduction,metalsarebetterconductorsofelectricitybecauseoftheirgreaterfree-electrondensity,whilenonmetals,suchasrubber,arepoorconductorsandmaybeusedaselectricalinsulators,ordielectrics.Increasingthecross-sectionalareaofagivenconductorwillincreasethecurrentbecausemoreelectronswillbeavailableforconduction.Increasingthetemperaturewillinhibitconductioninametalbecausetheincreasedthermalmotionsoftheelectronswilltendtointerferewiththeirregularflowinanelectriccurrent;inanonmetal,however,anincreaseintemperatureimprovesconductionbecauseitfreesmoreelectrons.Inliquidsandgases,currentconsistsnotonlyintheflowofelectronsbutalsointhatofions.Ahighlyionizedliquidsolution,e.g.,saltwater,isagoodconductor.Gasesathightemperaturestendtobecomeionizedandthusbecomegoodconductors(seeplasma),althoughatordinarytemperaturestheytendtobepoorconductors.Seeelectrochemistry;electrolysis;superconductivity.AlmosteveryonehasexperiencedtheDopplereffect,thoughperhapswithoutknowingwhatcausesit.Forexample,ifoneisstandingonastreetcornerandanambulanceapproacheswithitssirenblaring,thesoundofthesirensteadilygainsinpitchasitcomescloser.Then,asitpasses,thepitchsuddenlylowersperceptibly.ThisisanexampleoftheDopplereffect:thechangeintheobservedfrequencyofawavewhenthesourceofthewaveismovingwithrespecttotheobserver.TheDopplereffect,whichoccursbothinsoundandelectromagneticwaves—includinglightwaves—hasanumberofapplications.Astronomersuseit,forinstance,togaugethemovementofstarsrelativetoEarth.Closertohome,principlesrelatingtotheDopplereffectfindapplicationinradartechnology.Dopplerradarprovidesinformationconcerningweatherpatterns,butsomepeopleexperienceitinalesspleasantway:whenapoliceofficerusesittomeasuretheirdrivingspeedbeforewritingaticket.Soundandlightarebothexamplesofenergy,andbotharecarriedonwaves.Wavemotionisatypeofharmonicmotionthatcarriesenergyfromoneplacetoanotherwithoutactuallymovinganymatter.Itisrelatedtooscillation,atypeofharmonicmotioninoneormoredimensions.Oscillationinvolvesnonetmovement,onlymovementinplace;yetindividualpointsinthewavemediumareoscillatingevenastheoverallwavepatternmoves.Thetermperiodicmotion,ormovementrepeatedatregularintervalscalledperiods,describesthebehaviorofperiodicwaves—wavesinwhichauniformseriesofcrestsandtroughsfolloweachotherinregularsuccession.Aperiod(representedbythesymbolT)istheamountoftimerequiredtocompleteonefullcycleofthewave,fromtroughtocrestandbacktotrough.Periodismathematicallyrelatedtoseveralotheraspectsofwavemotion,includingwavespeed,frequency,andwavelength.Frequency(abbreviatedf)isthenumberofwavespassingthroughagivenpointduringtheintervalofonesecond.ItismeasuredinHertz(Hz),namedafternineteenth-centuryGermanphysicistHeinrichRudolfHertz(1857-1894),andaHertzisequaltoonecycleofoscillationpersecond.Higherfrequenciesareexpressedintermsofkilohertz(kHz;103or1,000cyclespersecond);megahertz(MHz;106or1millioncyclespersecond);andgigahertz(GHz;109or1billioncyclespersecond.)Wavelength(representedbythesymbolλ,theGreekletterlambda)isthedistancebetweenacrestandtheadjacentcrest,oratroughandanadjacenttrough,ofawave.Thehigherthefrequency,theshorterthewavelength.Amplitude,thoughmathematicallyindependentfromtheparametersdiscussed,iscriticaltotheunderstandingofsound.Definedasthemaximumdisplacementofavibratingmaterial,amplitudeisthe"size"ofawave.Thegreatertheamplitude,thegreatertheenergythewavecontains:amplitudeindicatesintensity,which,inthecaseofsoundwaves,ismanifestedaswhatpeoplecommonlycall"volume."Similarly,theamplitudeofalightwavedeterminestheintensityofthelight.electromagneticradiation,energyradiatedintheformofawaveasaresultofthemotionofelectriccharges.Amovingchargegivesrisetoamagneticfield,andifthemotionischanging(accelerated),thenthemagneticfieldvariesandinturnproducesanelectricfield.Theseinteractingelectricandmagneticfieldsareatrightanglestooneanotherandalsotothedirectionofpropagationoftheenergy.Thus,anelectromagneticwaveisatransversewave.Ifthedirectionoftheelectricfieldisconstant,thewaveissaidtobepolarized(seepolarizationoflight).Electromagneticradiationdoesnotrequireamaterialmediumandcantravelthroughavacuum.ThetheoryofelectromagneticradiationwasdevelopedbyJamesClerkMaxwellandpublishedin1865.Heshowedthatthespeedofpropagationofelectromagneticradiationshouldbeidenticalwiththatoflight,about186,000mi(300,000km)persec.SubsequentexperimentsbyHeinrichHertzverifiedMaxwell'spredictionthroughthediscoveryofradiowaves,alsoknownashertzianwaves.Lightisatypeofelectromagneticradiation,occupyingonlyasmallportionofthepossiblespectrumofthisenergy.Thevarioustypesofelectromagneticradiationdifferonlyinwavelengthandfrequency;theyarealikeinallotherrespects.Thepossiblesourcesofelectromagneticradiationaredirectlyrelatedtowavelength:longradiowavesareproducedbylargeantennassuchasthoseusedbybroadcastingstations;muchshortervisib