消费者评价品牌延伸的信息和动机影响学位论文.docx
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消费者评价品牌延伸的信息和动机影响学位论文.docx
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消费者评价品牌延伸的信息和动机影响学位论文
标题:
informationalandmotivationalinfluencesonconsumerevaluationsoflineandbrandextensions
原文:
theoreticalbackground
Line/brandextensionsare,bydefinition,productsthatareextendedfromtheparentbrand.Totheextentthatconsumersrecognizearelationshipbetweenanextensionandtheoriginalbrand,theywillmaketheirevaluationoftheextensioninrelationtothecategorythattheoriginalbrandisclassifiedinto(originalbrandcategory,hereafter).Thus,theirknowledgeandexpectationsabouttheoriginalbrandcategorycanhaveasubstantialinfluenceoncognitiveprocessesunderlyingtheirevaluationsofextensions.Theseprocessesareidentifiedanddescribedinthesectionsthatfollow.
Category-basedversusPiecemealProcesses
Asmentionedearlier,previousresearchhasindicatedthatconsumersengageinacategorizationprocesswhenevaluatingline/brandextensions.However,thecategorizationprocessdoesnotseemtobetheonlyprocessunderlyingevaluationsofextensions.Accordingtocategorizationliterature(Cohen&Basu,1987;Fiske&Neuberg,1990;Fiske&Pavelchak,1986;Smith&Medin,1981),peopledevelopanumberofcategoriesofobjectsinanefforttoorganizeandunderstandthem.Specifically,withrespecttoaparticularcategory,peopledevelopnotonlytheirknowledgeofcategorymembersbutalsotheirexpectationsabouttheattributesofatypicalcategorymember,calledcategoryknowledgeorschema,andaffectivereactiontothecategory,termedcategoryaffect(Fiske&Neuberg,1990;Fiske&Pavelchak,1986;Mandler&Parker,1976).Ithasbeensuggestedthatwhenpeoplemakeanevaluativejudgmentofanobject,theygothrougheitheroneoftwoprocesses:
sometimestheysimplycategorizetheobjectandmaketheirjudgmentonthebasisofthecategoryaffect;othertimestheypiecetogethertheirjudgmentonthebasisoftheirevaluationsoftheindividualattributesoftheobject.Thesetwoprocessesofevaluationhaveformedthebasisoftwoseparatestreamsofresearchinsocialandcognitivepsychology.Thefirsttypeofprocess,knownasacategory-basedprocess,waspositedbythecategorizationresearchers(Burnstein&Schul,1982,1983;Fazio,1986;Fazio,Powell,&Herr,1983;Lingle&Ostrom,1981),whereasthesecondtype,knownasapiecemealprocess,wasassumedbythemultiattributetheorists(Anderson,1974;Fishbein&Ajzen,1975).Recently,intheconsumerresearcharea,agrowingamountofevidenceindicatesthatthesealternativemodesofinformationprocessingalsomediateproductevaluationsbyconsumers(Herr,1989;Meyers-Levy&Tybout,1989;Sujan,1985;Sujan&Bettman,1989).Then,whendopeopleuseacategory-based,andwhendotheyuseapiecemealprocess?
Inregardstothisquestion,theexistingliteraturecanbelargelyplacedintotwogroups:
onegrouparguingforinformationconsistencywithcategoryknowledgeasaprimarydeterminantofthetwotypesofprocessing(Fiske,1982;Fiske&Neuberg,1990;Fiske&Pavelchak,1986;Sujan,1985),andtheotheradvocatingtheperceiver'smotivationlevelsasadeterminant(Borgida&Howard-Pitney,1983;Brewer,1988;Howard-Pitney,Borgida,&Omoto,1986;Omoto&Borgida,1988).Thefirstgrouparguesanddemonstratesthatperceivedcharacteristicsofatargetstimulus(i.e.,availabilityofafittingschema)triggerdifferentmodesofprocessing;category-basedprocessingoccurswhenthestimulusinformationisdescriptivelyconsistentwithacategoryschemathataperceiverbringstotheevaluationsituation,whereaspiecemealprocessingisusedwhentheinformationisinconsistentwithit.Thesecondgroup,ontheotherhand,positsthataperceiver'slevelofmotivationtoprocesstheinformationisthesoledeterminantofdifferenttypesofprocessing;category-basedprocessingoccursunderlowmotivationsituations,whereaspiecemealprocessingtakesplaceunderhighmotivationsituations.
Thesetwogroupsplaceanunevenemphasisoneitheroneofinformationalandmotivationalfactorsasthedeterminantofthealternativetypesofprocessing.Thus,inthisstudy,bothofthesefactorsareexamined.Itisbelievedthatbothwouldoperateondifferentphasesoftheevaluationprocesses.Asanexample,categorizationfailureduetothelackofafittingcategorymightnotautomaticallyleadtoapiecemealintegration,unlessacertainlevelofmotivationissatisfied.
AssimilationversusContrastEvaluationProcesses
Ithasbeenwell-documentedinsocialpsychologyandconsumerbehaviorthatthecontextinwhichastimulusisembeddedhassignificanteffectsonpeople'sevaluationofthatstimulus.Thatis,inthepresentresearchcontext,evaluationsofextensionsareaffectednotonlybytheirowncharacteristicsbutalsobythecharacteristicsoftheoriginalbrandcategoryretrievedfrommemory(Biernat,Manis,&Nelson,1991;Kahneman&Miller,1986).Twoprocessesthatdescribehowpeoplemaketheirevaluationsasinfluencedbythecontextareassimilationandcontrast(Sherif&Hovland,1961;Sherif,Sherif,&Nebergall,1965).Assimilationoccurswhenatargetstimulusisintegratedintothepresentcategoryandtheevaluationismadeonthebasisofthecategoryaffect.Consequently,assimilationbringsaboutthesomeevaluativeoutcomethatacategory-basedprocesswould.Ontheotherhand,contrastoccurswhenatargetstimulusiscontrastedwiththecategoryandtheevaluationismadeintheoppositedirectionfromthecategoryaffect.
Thesetwoprocessescanbeusedinevaluationsofline/brandextensions;withthepresentcategory(ortheoriginalbrandcategory)servingasastandardofcomparison,evaluationscanbemadeinthesamedirectionofthecategoryaffect(assimilated)orintheoppositedirectionfromit(contrasted).Intheirassimilation/contrasttheory,SherifandHovland(1961)arguethatmessagesareassimilatedtowardtheperceiver'spositionwhentheyareacceptabletobeginwith(i.e.,whentheyfallwithinthelatitudeofacceptance),whereastheyarecontrastedawaywhentheyaredistantandunacceptabletobeginwith(i.e.,whentheyfallwithinthelatitudeofrejection).Inrelationtothepresentresearchcontext,itisinferredthatabrandisassimilatedtothecurrentcategorywhenperceivedtobesimilartothecategory,whereasitiscontrastedwhendescribedtobedifferentfromthecategory.Todate,however,fewstudiesinconsumerbehaviorhaveexaminedthesimultaneouseffectsoftwofactors,i.e.,similarityofatargetstimulustothecategoryschemaandinvolvement.Furthermore,theassimilation-contrasttheorydoesnottakeintoconsiderationthepossibleoccurrenceofpiecemealprocesses.
Insummary,basedontheexistingliteraturediscussedthusfar,itisconceptualizedthatthereareatleastthreetypesofprocessconsumerscanuseinevaluatingabrand:
(a)category-based(orassimilation),(b)contrast,and(c)piecemealprocess.Itisexpectedthatthesealternativetypesofprocessaredeterminedbythetwofactors:
(a)consistencyofbrandinformationwiththecategoryschemaand(b)levelofmotivationtoprocesstheinformation.Morespecificpredictionsconcerningconsumerreactionstooriginalbrandsandtheirextensionsaredevelopedinthenextsection.
Researchhypotheses
Asetofhypothesesisdevelopedandtestedinthisstudyinordertounderstanddifferentinformationprocessingstrategiesconsumersusewhenevaluatingline/brandextensionsandtopredictfinalevaluations.Thesehypothesesarebuiltuponthesamebasicpremisesthatpasttheoreticalmodelsarebasedupon(seeBrewer,1988;Fiske&Neuberg,1990;Fiske&Pavelchak,1986).Thatis,itisassumedthat(a)unlesstheincomingbrandinformationsatisfiestheminimumlevelofinterestandrelevancetotheconsumerswhohaveanevaluationgoal,nofurtherprocessingoccurs,and(b)aspontaneousattempttocategorizethetargetbrandcomesfirst.
Supposeconsumersfindthebrandinformationsufficientlyinterestingandrelevanttotheirgoal.Underthiscondition,thecasewheretheyobtainbrandinformationwithoutanycategoryexpectationsisconsideredextremelyrare(Wilson,Lisle,Kraft,&Wetzel,1989).Evenwhenencounteringanovelbrand,theymusthaveatleastrudimentaryexpectationsabouttheproductcategorytowhichthebrandwouldbelong.Thus,uponobtainingthebrandinformation,theywillfirsttrytocategorizethebrandfromaglanceattheinformationtomakesenseofit.
EvaluationsofOriginalBrands
ConsiderthefollowinginformationofaT.V.set:
aSonystereocolorT.V.setwithsomeuniquefeatures(e.g.,on-screengraphicdisplay,multi-functionalremotecontrol,4-speakersystem,andautomaticshutoff).Inthiscase,thebrandnamewillimmediatelybringtotheconsumers'mindacategorylabelofSonystereocolorT.V.setwithitstypicalattributesaswellasexpectedperformancelevelsoftheseattributes.Theconsumersarenowinapositiontotestthehypothesisthatthisbrandreallybelongstothatcategory,byconsideringdescriptiveimplicationsoftherestoftheinformation.
Totheextentthattheattributeinformationisagoodfitwiththecurrentcategory,regardlessofthemotivationlevel,theaffectassociatedwiththecategorylabelwillbeautomaticallyactivatedandusedasabasisfortheoveralljudgment(Fiske&Pavelchak,1986;Fiske&480Neuberg,1990;Srull&Wyer,1989).Fromacognitiveeconomyperspective,itisbelievedthatthiskindofcategory-basedprocessismuchmoreefficientthananyothertypesofprocesses(Fiske&Neuberg,1990;Fiske&Taylor,1984).Thatis,evenifconsumersarehighlymotivatedtoprocessbrandinformation,unlesstheyfindanythingdifferentaboutthebrand,theywouldnotfeeltheneedtore-elaborateo
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