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Unpacking Effects of Perceived Familiarity With COVID-19 Vaccine Misinformation on Message Perceptions, Affects, and Determinants of Vaccination: A Moderation Analysis of Two Types of Message Features
Unpacking Effects of Perceived Familiarity With COVID-19 Vaccine Misinformation on Message...
Unpacking Effects of Perceived Familiarity With COVID-19 Vaccine Misinformation on Message Perceptions, Affects, and Determinants of Vaccination: A Moderation Analysis of Two Types of Message Features

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20250211152640
ISBN  
9798383702154
DDC  
384
저자명  
Fang, Yuming.
서명/저자  
Unpacking Effects of Perceived Familiarity With COVID-19 Vaccine Misinformation on Message Perceptions, Affects, and Determinants of Vaccination: A Moderation Analysis of Two Types of Message Features
발행사항  
[Sl] : University of Minnesota, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
269 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-02, Section: B.
주기사항  
Advisor: Yzer, Marco.
학위논문주기  
Thesis (Ph.D.)--University of Minnesota, 2024.
초록/해제  
요약The proliferation of health misinformation poses a significant threat to public health, making it increasingly important to understand why misinformation is accepted. The illusory truth effect, which refers to the increased believability of a message due to repeated exposure, has been widely studied. However, the specific influence of perceived familiarity with vaccine misinformation on message perceptions, emotional responses, and vaccination behavior determinants remains underexplored in the context of COVID-19 vaccine misinformation. The dissertation seeks to fill the gap and further examines whether misinformation message features, including source credibility and evidence types, affect the magnitude of effects of perceived familiarity with COVID-19 vaccine misinformation.The findings from two experimental studies suggest that perceived familiarity enhanced perceived accuracy and agreement with COVID-19 vaccine misinformation, lessened confusion about the misinformation, and reduced the intention to verify the misinformation. Source credibility intensified perceived accuracy and emotional distress but did not interact with perceived familiarity to affect message perceptions, affects, and determinants of vaccination behavior. Regarding evidence types employed by vaccine misinformation, statistical and combined evidence types were more effective than narrative evidence in enhancing perceived message effectiveness, eliciting negative emotions, and increasing information verification intentions. Furthermore, evidence type did not moderate the effects of perceived familiarity on outcome variables, with one exception: confusion. The dissertation adds to the literature on the illusory truth effect in the sense that source credibility and evidence type do not moderate the effects of perceived familiarity with COVID-19 vaccine misinformation on message perceptions, vaccine attitudes, and vaccination intentions. These findings reinforce the robustness of familiarity effects, or the illusory truth effect; even message features cannot moderate the effects. This dissertation calls for further research into interventions that can mitigate the familiarity effects of health misinformation and explores strategies that leverage perceived familiarity to enhance the dissemination of accurate health information.
일반주제명  
Communication
일반주제명  
Public health
일반주제명  
Psychology
일반주제명  
Social psychology
키워드  
Vaccination behavior
키워드  
COVID-19
키워드  
Familiarity effects
키워드  
Vaccine misinformation
기타저자  
University of Minnesota Mass Communication
기본자료저록  
Dissertations Abstracts International. 86-02B.
전자적 위치 및 접속  
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■035    ▼a(MiAaPQ)AAI31485169
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a384
■1001  ▼aFang,  Yuming.
■24510▼aUnpacking  Effects  of  Perceived  Familiarity  With  COVID-19  Vaccine  Misinformation  on  Message  Perceptions,  Affects,  and  Determinants  of  Vaccination:  A  Moderation  Analysis  of  Two  Types  of  Message  Features
■260    ▼a[Sl]▼bUniversity  of  Minnesota▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a269  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-02,  Section:  B.
■500    ▼aAdvisor:  Yzer,  Marco.
■5021  ▼aThesis  (Ph.D.)--University  of  Minnesota,  2024.
■520    ▼aThe  proliferation  of  health  misinformation  poses  a  significant  threat  to  public  health,  making  it  increasingly  important  to  understand  why  misinformation  is  accepted.  The  illusory  truth  effect,  which  refers  to  the  increased  believability  of  a  message  due  to  repeated  exposure,  has  been  widely  studied.  However,  the  specific  influence  of  perceived  familiarity  with  vaccine  misinformation  on  message  perceptions,  emotional  responses,  and  vaccination  behavior  determinants  remains  underexplored  in  the  context  of  COVID-19  vaccine  misinformation.  The  dissertation  seeks  to  fill  the  gap  and  further  examines  whether  misinformation  message  features,  including  source  credibility  and  evidence  types,  affect  the  magnitude  of  effects  of  perceived  familiarity  with  COVID-19  vaccine  misinformation.The  findings  from  two  experimental  studies  suggest  that  perceived  familiarity  enhanced  perceived  accuracy  and  agreement  with  COVID-19  vaccine  misinformation,  lessened  confusion  about  the  misinformation,  and  reduced  the  intention  to  verify  the  misinformation.  Source  credibility  intensified  perceived  accuracy  and  emotional  distress  but  did  not  interact  with  perceived  familiarity  to  affect  message  perceptions,  affects,  and  determinants  of  vaccination  behavior.  Regarding  evidence  types  employed  by  vaccine  misinformation,  statistical  and  combined  evidence  types  were  more  effective  than  narrative  evidence  in  enhancing  perceived  message  effectiveness,  eliciting  negative  emotions,  and  increasing  information  verification  intentions.  Furthermore,  evidence  type  did  not  moderate  the  effects  of  perceived  familiarity  on  outcome  variables,  with  one  exception:  confusion. The  dissertation  adds  to  the  literature  on  the  illusory  truth  effect  in  the  sense  that  source  credibility  and  evidence  type  do  not  moderate  the  effects  of  perceived  familiarity  with  COVID-19  vaccine  misinformation  on  message  perceptions,  vaccine  attitudes,  and  vaccination  intentions.  These  findings  reinforce  the  robustness  of  familiarity  effects,  or  the  illusory  truth  effect;  even  message  features  cannot  moderate  the  effects.  This  dissertation  calls  for  further  research  into  interventions  that  can  mitigate  the  familiarity  effects  of  health  misinformation  and  explores  strategies  that  leverage  perceived  familiarity  to  enhance  the  dissemination  of  accurate  health  information.
■590    ▼aSchool  code:  0130.
■650  4▼aCommunication
■650  4▼aPublic  health
■650  4▼aPsychology
■650  4▼aSocial  psychology
■653    ▼aVaccination  behavior
■653    ▼aCOVID-19
■653    ▼aFamiliarity  effects
■653    ▼aVaccine  misinformation  
■690    ▼a0459
■690    ▼a0621
■690    ▼a0451
■690    ▼a0573
■71020▼aUniversity  of  Minnesota▼bMass  Communication.
■7730  ▼tDissertations  Abstracts  International▼g86-02B.
■790    ▼a0130
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17163224▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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