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The relevance of syntactic complexity for truth judgments

A registered report

Bibliographic Data

ID20409693
AuthorsOliver Schmidt (0000-0003-4746-2221, Philipps University of Marburg, corresponding author), Daniel W Heck (0000-0002-6302-9252, Philipps University of Marburg)
Year2024
Volume117
Pages103623
Publication date2024-01-01
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueConsciousness and Cognition (JOURNAL)
Journal identifiersISSN: 1053-8100 • E-ISSN: 1090-2376
PublisherElsevier BV (PUBLISHER)
DOI10.1016/j.concog.2023.103623
PMID38142632
OpenAlexW4390150810
LanguageEN
Citations received1
References cited55

Fluency theories predict higher truth judgments for easily processed statements. We investigated two factors relevant for processing fluency: repetition and syntactic complexity. In three online experiments, we manipulated syntactic complexity by creating simple and complex versions of trivia statements. Experiments 1 and 2 replicated the repetition-based truth effect. However, syntactic complexity did not affect truth judgments although complex statements were processed slower than simple statements. This null effect is surprising given that both studies had high statistical power and varied in the relative salience of syntactic complexity. Experiment 3 provides a preregistered test of the discounting explanation by using improved trivia statements of equal length and by manipulating the salience of complexity in a randomized design. As predicted by fluency theories, simple statements were more likely judged as true than complex ones, while this effect was small and not moderated by the salience of complexity

Cognitive psychology · Fluency · Linguistics · Natural language processing · Processing fluency · Syntax · Computer Science · Decision-Making and Behavioral Economics · Misinformation and Its Impacts · Psychology · Psychology of Moral and Emotional Judgment

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Unique citing works1
Citations per year1
Citation span2025 - 2025 (1)
Citation velocityrecent
Highly citedNo
Citation typesNeutral: 1
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