Individual differences do not mask effects of unconscious processing
Bibliographic Data
| ID | 21640795 |
|---|---|
| Authors | Iris Yaron (0000-0001-6299-765X, Tel Aviv University, corresponding author), Nathan Faivre (0000-0001-6011-4921, Centre National de la Recherche Scientifique), Liad Mudrik (0000-0003-3564-6445, Tel Aviv University), Marya Mazor (0000-0002-3601-0644, Wellcome Centre for Human Neuroimaging), Matan Mazor |
| Year | 2025 |
| Volume | 32 |
| Issue | 5 |
| Pages | 1969-1986 |
| Publication date | 2025-10-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Psychonomic Bulletin & Review (JOURNAL) |
| Journal identifiers | ISSN: 1069-9384 • E-ISSN: 1531-5320 |
| Publisher | Springer Science and Business Media LLC (PUBLISHER) |
| DOI | 10.3758/s13423-025-02679-5 |
| PMID | 40126786 |
| OpenAlex | W4408845453 |
| Language | EN |
| References cited | 90 |
A wave of criticisms and replication failures is currently challenging claims about the scope of unconscious perception and cognition. Such failures to find unconscious processing effects at the population level may reflect the absence of individual-level effects, or alternatively, the averaging out of individual-level effects with opposing signs. Importantly, only the first suggests that consciousness may be necessary for the tested process to take place. To arbitrate between these two possibilities, we tested previously collected data where unconscious processing effects were not found (26 effects from 470 participants), using five frequentist and Bayesian tests that are robust to individual differences in effect signs. By and large, we found no reliable evidence for unconscious effects being masked by individual differences. In contrast, when we examined 136 non-significant effects from other domains, two novel non-parametric tests did reveal effects that were hidden by opposing individual results, though as we show, some of them might be driven by design-related factors. Taken together, five analysis approaches provide strong evidence for the restricted nature of unconscious processing effects not only across participants, but also across different trials within individuals. We provide analysis code and best-practice recommendations for testing for non-directional effects
Bayesian inference · Bayesian probability · Cognition · Cognitive psychology · Consciousness · Frequentist inference · Inference · Perception · Unconscious mind · Computer Science · Decision-Making and Behavioral Economics · Neural and Behavioral Psychology Studies · Neuroscience · Psychology · Psychology of Moral and Emotional Judgment · Social Psychology · Artificial Intelligence
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| Citation velocity | historical |
|---|---|
| Highly cited | No |