bias essentials group 6 finaldocx6组finaldocx偏置要点

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1、EssentialsofResearchBiasI.Howisethicsdifferentthanbias?Twomainpointsaboutresearchethics:1.Researchershavearesponsibilitytoknowandunderstandthecodesofresearchethics.Noexcuses.2.Abidingbythecodesofethicalresearchmeansyou,astheresearcher,mustnotputtheneedsofyourresear

2、chabovethewellbeingofthestudyparticipants(humanorotherwise).Tomalwritesverylittleaboutresearchethics.ThatiswhyweneededtoreadthearticlesandgettheNIHcertificates.Aresearchercan’tabidebythecodesofethicsiftheresearcherisunawareofwhattheethicscodescontain.Researchersnee

3、dtoknowaboutethicspriortodesigningstudies,notafterorduringstudies.Twomainpointsaboutresearchbias:1.Biasisaproductoftheresearcher,theparticipantsand/ortheresearchdesign.2.Biasmakestheresearchstudydesign,data,resultsandconclusionssuspectandlikelyinvalid.Tomalwritesmo

4、reaboutresearchbias.ThattopicistackledinChapter3.Thisisanimportantchapter.Makesureyoureadit.Ihavereaditafewtimes.Witheachtypeofdatacollectionthereissomeinformationabouthowbiascouldhappen.Forexample,onpage39thereisinformationaboutthemanydifferentkindsofbiasthatcanoc

5、curwhenconductingobservations.Educatorsneedtobegoodobservers.Beingawareofobservationtypesofbiasesisimportantinourwork,whetherformalactionresearchisbeingconductedornot.Itisjustpartofbeingaprofessional.Itisimportanttonotethatinallofthese,datacollectiontechniquesandda

6、tacollectioninstruments(tools)aremixedtogether.Techniquesandinstrumentsaretwodifferentthings.Forexampleadatacollectiontechniqueisobservation.Adatacollectioninstrumentthatisusedforobservingisachecklist.II.ApplicationWewillanalyzeourownresearchforbias.Thetworesearchb

7、iastablesbelowaregoingtobeyourguides,alongwithyourtextbook,fordeterminingbiasinyourownresearchaswemovetothenextphaseofthiscourse:datacollectionmethodsinweek4.Youwillneedtobecomefamiliarwiththemsinceyouwillcompletesectionsofthetablesasyouselecttechniques,designinstr

8、umentsandcollectdata.Knowingaboutpossiblesourcesofbiasisimportantforresearchdesign,procedures,analysis,knowingthelimitationsofthestudyandmore.The