Empirical Experiment on Navigation with Social Tags
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Transcript of Empirical Experiment on Navigation with Social Tags
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Den Psychotherapie-Bias in der sequenziellen online Informatinssuche überwinden
Mit Vorinformation und Social Tags
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Psychotherapie Bias
Angermeyer, M. C., Breier, P., Dietrich, S., Kenzine, D., & Matschinger, H. (2005). Public attitudes toward psychiatric treatment. Social psychiatry and psychiatric epidemiology, 40(11), 855-864.
Behandlungsempfehlung
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Bestätigungsfehler
Verteidigungsmotivation Majoritäts-Dissens
BedrohungUnterstützung
UnterstützungBedrohung
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Extended Information Scent Model
Cress, Held & Kimmerle (2013)
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Hypothesen
H1Der Bias determiniert online Infosuche und –bewertung
H2Herausfordernde Vorinformation reduziert Bias im Vergleich zu unterstützender Vorinformation
H3Die Salienz herausfordernder Tags reduziert Bias im Vergleich zu bestärkenden Tags
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2x3 Design
Tag-Salienz
VorinformationUnterstützend (PT) Ausgeglichen Bedrohend (MED)
Unterstützend (PT) 34 29 26
Bedrohend (MED) 32 27 26
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Pretest - Vorwissen
- Therapie Ratings
Ablauf
Blog Posts lesenVorinformation
- Herausfordernd- Unterstützend
InfosucheTag Salienz
- Psychotherapie- Ausgeglichen- Medikamente
Posttest- Therapie Ratings
- Therapie Empfehlung
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Vorinformation: Blog Posts
Psychotherapie vs. Medikation
Wissenschafternetzwerk (Majoritäts-Dissens):Weltumspannende Datenbank
Gehirnscan Therapie-Evaluationen:Viele erfolgreiche Studien
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Tag Salienz: Informationssucheunterstützend neutral herausfordernd
3 BlogPosts
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H1: Der Bias determiniert online Infosuche und –bewertung
Wirksamkeits-Rating Tag Selektion Blog Post Selektion
t(173) = 7.68p < .001, d = .81
t(173) = 2.83,p = .005, d = .28
t(173) = 6.47,p < .001, d = .66
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Tagselektion
HE VorinformationF(1,168) = .32,p = .57, ηp² = .002
HE Tag SalienzF(2,168) = 10.61,p < .001, ηp² = .112
WWns.
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Gelesene Blog Posts
HE VorinformationF(1,168) = 4.32,p = .04, ηp² = .025
HE Tag SalienzF(2,168) = 6.55,p = .002, ηp² = .072
WWns.
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Wirksamkeitsratings
HE VorinformationF(1,168) = 2.93,p = .09, ηp² = .017
HE Tag SalienzF(2,168) = 8.48,p < .001, ηp² = .092
WWns.
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Therapie Empfehlung
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Zusammenfassung
• (fast) Alles bestätigt, bis auf Therapie-Empfehlung
• Effekt Vorinformation < Tag Salienz
• Majoritätsbias leitet Infosuche, nicht Verteidigungsmotivation
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Teil 2
DFG
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DFG Überblick
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DFG
IV: Individual prior knowledge
IV: Collective knowledgeMedical
backgroundPsychological background
Medication N = 22 N = 22 Psychotherapy N = 22 N = 22 Balanced N = 22 N = 22
Studie 1
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- Ende -
Dankeschön!