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Cognitive biases always lead to irrational decisions.

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CONTESTED PARTIAL
Recorded sources
6 sources for · 3 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that cognitive biases always lead to irrational decisions?

Partly. Several sources say cognitive biases can or often lead to irrational or suboptimal decisions, mostly in finance and specific populations, while others note biases are not always detrimental and can even be useful or rational. No source establishes that biases always produce irrational decisions.

Verdict: CONTESTED PARTIAL · 6 sources for, 3 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 6
A Systematic Review of Cognitive Biases in Tourist Decisions
2023
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Wattanacharoensil, W. (2023). A Systematic Review of Cognitive Biases in Tourist Decisions. econbiz.de. https://www.econbiz.de/Record/10014344180

Evidence against · 3
List of cognitive biases - Wikipedia
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List of cognitive biases - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/List_of_cognitive_biases

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More for · 5
Cognitive and implicit biases in nurses' judgment and decision-making: A scoping review.
2022
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Thirsk, L. M., Panchuk, J. T., Stahlke, S., & Hagtvedt, R. (2022). Cognitive and implicit biases in nurses' judgment and decision-making: A scoping review.. doi.org. https://doi.org/10.1016/j.ijnurstu.2022.104284

apadictionaryofpsychology2015
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apadictionaryofpsychology2015. (n.d.). archive.org. https://archive.org/details/apadictionaryofpsychology2015

NAVIGATING GLOBAL MARKETS: UNRAVELLING BEHAVIORAL BIASES IN TRADE AND FINANCE
2024
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NAVIGATING GLOBAL MARKETS: UNRAVELLING BEHAVIORAL BIASES IN TRADE AND FINANCE. (2024). doi.org. https://doi.org/10.58532/nbennurch37

The Most Common Behavioural Biases among Young Adults in Bristol, UK and Istanbul
2022
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The Most Common Behavioural Biases among Young Adults in Bristol, UK and Istanbul. (2022). doi.org. https://doi.org/10.21272/fmir.6(1).27-39.2022

Behavioral Finance and Investor Psychology
2025
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Behavioral Finance and Investor Psychology. (2025). doi.org. https://doi.org/10.55041/isjem04352

More against · 2
The metacognitive control of decisions predicts whether and how mice override their default policy
2023
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The metacognitive control of decisions predicts whether and how mice override their default policy. (2023). hal.science. https://doi.org/10.1101/2023.01.04.522806

Identifying the Factors Influencing the Reduction of Behavioral Biases in Managers and Investors
2026
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Esbagrani, A. R., Heydarpoor, F., & Poorzamani, Z. (2026). Identifying the Factors Influencing the Reduction of Behavioral Biases in Managers and Investors. doi.org. https://doi.org/10.22054/qjma.2025.86789.2690

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held for human review17 Oct 2026
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