Summary: A new study finds that people are more likely to treat statements as true when those statements align with their existing worldview, driven by rapid, involuntary mental processes.
Source: Ben-Gurion University of the Negev
Study Finds Rapid, Involuntary Bias Toward Agreeable Statements
Researchers at Ben-Gurion University of the Negev (BGU), in collaboration with colleagues from The Hebrew University of Jerusalem, have identified a fast, involuntary cognitive bias that makes people quicker to accept statements that match their existing opinions. Published in Social Psychological and Personality Science, the work demonstrates how automatic mental processes can reinforce existing worldviews and make opinions resistant to change.
The research team, led by Dr. Michael Gilead, head of the Social Cognitive Neuroscience Laboratory at BGU, showed that participants judged the grammatical correctness of opinion statements more quickly when those statements accorded with their personal views. This effect emerged across topics including politics, personal taste, and broad social issues, indicating a general tendency for agreement to speed cognitive processing.
Experimental Design and Key Findings
In a set of controlled experiments, participants read brief opinion statements such as “The internet has made people more isolated” or “The internet has made people more sociable.” For each sentence, they were asked to respond as quickly as possible whether the sentence was grammatically correct. After completing these speeded grammaticality judgments, participants indicated whether they agreed or disagreed with each statement.
Across trials, statements that later received agreement judgments had been processed more quickly during the grammaticality task. Because participants were not evaluating truth or agreement at the time of the speeded task, the faster responses reveal an involuntary influence of opinion alignment on early cognitive processing. In other words, statements consistent with a participant’s worldview were processed more fluently and accepted more readily at a reflex-like level.
Implications for Reasoning and Decision-Making
Dr. Gilead explains that rational decision-making requires the ability to weigh evidence, consider alternative viewpoints, and adjust beliefs in response to new information. The study’s findings suggest that an automatic, reflex-like tendency to accept statements that align with existing beliefs could hinder this reflective process. When agreement speeds initial processing, people may be less likely to scrutinize confirming information and more likely to dismiss contradictory evidence without deliberate thought.
The authors note that further research is needed to identify boundary conditions and moderating factors. For example, future studies could examine how acute stress, cognitive load, or political orientation (liberal versus conservative) influence the magnitude of this involuntary confirmation effect. Understanding these moderators would clarify when and how automatic agreement biases shape judgment in everyday contexts.
Contributors
The study was conducted by Dr. Michael Gilead (Ben-Gurion University of the Negev), Moran Sela (doctoral student, Department of Psychology, The Hebrew University of Jerusalem), and Dr. Anat Maril (Professor, Department of Cognitive Science, The Hebrew University of Jerusalem).
About this neuroscience research article
Source: Andrew Lavin, Ben-Gurion University of the Negev
Publisher: Organized by NeuroscienceNews.com
Image Source: NeuroscienceNews.com image is in the public domain.
Original Research: “That’s My Truth: Evidence for Involuntary Opinion Confirmation” by Michael Gilead, Moran Sela, Anat Maril, Social Psychological and Personality Science. Published April 7, 2018.
DOI: 10.1177/1948550618762300
Citation suggestions
MLA: Ben-Gurion University of the Negev. “If You Believe It, It’s Truer.” NeuroscienceNews. May 7, 2018.
APA: Ben-Gurion University of the Negev (2018, May 7). If You Believe It, It’s Truer. NeuroscienceNews.
Chicago: Ben-Gurion University of the Negev. “If You Believe It, It’s Truer.” NeuroscienceNews. Accessed May 7, 2018.
Abstract
That’s My Truth: Evidence for Involuntary Opinion Confirmation
Previous research has largely focused on deliberate cognitive mechanisms that maintain strongly held beliefs. This investigation tested whether opinion-confirmation processes can occur involuntarily. Across experiments, participants made rapid judgments about the grammaticality of statements expressing opinions and later rated agreement with those statements. Results show that participants more readily verified the grammaticality of statements that corresponded to their opinions, indicating an involuntary acceptance of confirmatory information and a relative rejection of contradictory statements. These findings help explain why some opinions remain resistant to change and suggest a new paradigm for studying automatic opinion confirmation.