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Section 2 Types of Data Gathering Instruments(第1页)

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Se2:TypesofDataGatheringIs

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&ioheringis,suchasquestioerviewschedules,tests,ic.,shouldbeadequatelydetailedtoprovidethesourceofthei,anyspecialcharacteristigitsvalidityay),ariitations,anditsmostappropriateuse.Starumentsusuallyhaveestablishedvalidityayeitherfromahistoryofuseorfromactualtests,whileresearcher-desigrumentsusuallydoablishedvalidityay.Theymayedbyapasandshouldbepilot-testedwherepossible.

&in

Wheapletedquestioheresultsofavalidstudy,heorsheisofteosay,“That’snotdifficulttodo”

,butthattemptationquicklypassesafterafewminutesofalysis.That’saboutallittakestorealizethatdesigningagoodquestionandgoodquestionnairerequiresmhtahainallythink.Thereareanalmostiyofthingstothinkaboutandtodocorrectlytoavoidthekihatmakescoresofhoursofworkworthless.Agoodquestionnaireisonewhichhelpsdirectlyachievetheresearchobjectives,providespleteandaformation;iseasyforbothintervieooplete,issodesigomakesoundanalysisaionpossibleandisbrief.Heinismoreofanartthahereareepsihedevelopmentofaquestionnaire.

&heinformationrequired

Itshouldbehefirststepistodecide“whatarethethioknowfromtherespoithesurvey’sobjectives?”

Theseshouldappearintheresearchbriefandtheresearchproposal.Onemayalreadyhaveahekindofinformatioed,butadditionalhelpbeobtainedfromsedarydata,sotospeak,theresearchershouldbeaorkhasbeehesameorsimilarproblemsi,whatfactorshavebeenexamined,asurveyquestionnairebuildonwhathasalreadybeendiscovered.

&hetargetrespos

Attheoutset,theresearchermustdefiionaboutwhichheshewishestogehesampledatatobecollected.Sedly,researchershavetodralihirdly,ihequestioakeintoatfactorssuchastheage,edu,etc.etrespos.

3.ethyetrespos

&hodoftaflueoionstheresearcherisabletoaskbutthephrasingofthosequestiohodsavailableinsurveyresearcharepersrouporfoterviews;mailedquestioelephoerviews.Agethemoresensitiveorpersoion,themorepersonaltheformofdatashouldbe.

4.Dequestio

Researchersmustalreparedtoask,“Isthisquestionreallyemptationtoiionswithoutcriticallyevaluatiributiontowardstheatoftheresearchobjectives,astheyarespetheresearchproposal,issurprisinglystroionshouldbeinlessthedataitgivesrisetoisdirectlyofuseiingohehypothesesestablishedduringtheresear.

&hequesti

&ionsbeclassifiedintothreeforms,i.e.closed,open-endedandopeioioionshaveanumberofimportantadvantages:

(a)Itprovidestherespohahodofindighisahavetothinkabouthowtoarticulatehisanswer.

(b)It“prompts”

therespohattherespoorelylessonmemoryinansweriion.

(sesbeeasilyclassified,makingaraightfor>

6.Putquestionsintoameaningfulorderandformat

Opeions:Opeionsshouldbeeasytoainanywaythreateningtotherespohefirstquestioniscrucialbecauseitistherespo’sfirstexposuretotheisthetoureofthetasktobeperformed.Iftheyfindtheopeioneasyaoaheyareeinue.

&ionflow:Questionsshouldflowinsomekindofpsychologicalorder,sothatoneleadseasilyandnaturallytotheio,oroicularaspectofasubject,shether.Resposmayfeelitdisgtokeepshiftingfromooaobeaskedtoreturtheythoughttheygavetheiropinionsaboutearlier.

&ioy:Resposbeeboredquidrestlesswhenaskedsimilarquestionsforhalfanhourorso.Itusuallyimprovesrespoovarytherespoaskfromtimetotime.

7.Chegthofthequestionnaire

&isbestforaquestioobeasshortaspossible.Aloiooalongihisisopentothedangersofboredomooftherespo(andpoorlysidered,hurriedaerruptionsbythirdpartiesasintermstimeandresources.

8.Pre-testthequestionnaire

&heresearcherhasproceededalongthelihedraftquestionnaireisaproductevolvedbyowomindsonly.Untilithasactuallybeeerviewsas,itisimpossibletosaywhetheritisgoingtoachievethedesiredresults.Forthisreasoopre-testthequestioisusedinafull-scalesurvey,toidentifyaing.Usuallyasmallnumberofrespoedforthepre-test.Therespoedforthepilotsurveyshouldbebroadlyrepreseypeofrespoobeihemainsurvey.

&hefinalsurveyform

Ifthequestionnairehasbeehhpilottest,thefinalformofthequestionnairewillhaveevolvedintoitsfinalforAllthatremainstobedohemeicalprocessoflayingoutaiiosfinalforThiswillinvandsequeionsintoanappropriateorder,numberiions,aerviewerinstrus.

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