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How (not) to demonstrate unconscious priming

Overcoming issues with post-hoc data selection, low power, and frequentist statistics

Bibliographic Data

ID20409977
AuthorsTania Stein (0000-0002-8484-0933, University of Amsterdam, corresponding author), Timo Stein, Simon Van Gaal (0000-0001-6628-4534, University of Amsterdam), J J Fahrenfort (0000-0002-9025-3436, Vrije Universiteit Amsterdam)
Year2024
Volume119
Pages103669
Publication date2024-03-01
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueConsciousness and Cognition (JOURNAL)
Journal identifiersISSN: 1053-8100 • E-ISSN: 1090-2376
PublisherElsevier BV (PUBLISHER)
DOI10.1016/j.concog.2024.103669
PMID38395013
OpenAlexW4392119744
LanguageEN
Citations received2
References cited68

One widely used scientific approach to studying consciousness involves contrasting conscious operations with unconscious ones. However, challenges in establishing the absence of conscious awareness have led to debates about the extent and existence of unconscious processes. We collected experimental data on unconscious semantic priming, manipulating prime presentation duration to highlight the critical role of the analysis approach in attributing priming effects to unconscious processing. We demonstrate that common practices like post-hoc data selection, low statistical power, and frequentist statistical testing can erroneously support claims of unconscious priming. Conversely, adopting best practices like direct performance-awareness contrasts, Bayesian tests, and increased statistical power can prevent such erroneous conclusions. Many past experiments, including our own, fail to meet these standards, casting doubt on previous claims about unconscious processing. Implementing these robust practices will enhance our understanding of unconscious processing and shed light on the functions and neural mechanisms of consciousness

Bayesian inference · Bayesian probability · Cognitive psychology · Consciousness · Frequentist inference · Psychoanalysis · Statistical power · Statistics · Unconscious mind · Computer Science · EEG and Brain-Computer Interfaces · Mathematics · Neural and Behavioral Psychology Studies · Neural dynamics and brain function · Psychology · Artificial Intelligence

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Unique citing works2
Citations per year1
Citation span2024 - 2025 (2)
Citation velocityrecent
Highly citedNo
Citation typesNeutral: 2

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