What Is Cognitive Bias?
What Is Cognitive Bias?
A cognitive bias refers to a consistent pattern of thinking errors that individuals exhibit when they process and interpret information. These biases can influence their decision-making and judgments based on their perceptions of the world around them.
The human brain, while powerful, has inherent limitations that give rise to cognitive biases. These biases emerge as a means for the brain to simplify the process of information processing. They serve as mental shortcuts or rules of thumb that enable individuals to make sense of the world and arrive at decisions more efficiently.
Some cognitive biases stem from memory-related factors. How an event is remembered can be subject to biases influenced by various factors, which can subsequently impact one’s thinking and decision-making in a biased manner.
Other cognitive biases may arise from attention-related challenges. Given that attention is a finite resource, individuals must selectively allocate their attention to specific aspects of the world around them, leading to biases in perception and processing of information.
As a result, subtle biases can subtly influence your perception and cognition, shaping the way you view and understand the world. The notion of cognitive bias was initially introduced by researchers Amos Tversky and Daniel Kahneman in 1972.
Since then, researchers have identified and classified numerous types of biases that impact decision-making across various domains, including social behavior, cognition, behavioral economics, education, management, healthcare, business, and finance.
Cognitive Bias vs. Logical Fallacy
There is often confusion between cognitive biases and logical fallacies, but it’s important to note that they are distinct concepts. While a logical fallacy pertains to errors in the structure or reasoning of an argument, a cognitive bias is linked to flaws in thought processing, typically arising from issues with memory, attention, attribution, and other cognitive shortcomings.
These biases can impact how information is perceived, interpreted, and utilized, leading to deviations from rational decision-making.
Signs of Cognitive Bias
Cognitive biases are inherent in every individual, even though they may be more apparent in others. It is crucial to acknowledge that these biases also affect one’s own thinking. Some indicators that you might be influenced by cognitive biases include:
- Displaying a preference for news stories that align with your existing beliefs
- Assigning blame to external factors when faced with unfavorable outcomes
- Attributing other people’s success to luck, while taking personal credit for your own achievements
- Assuming that everyone else shares your opinions or beliefs
- Acquiring a superficial understanding of a subject and assuming comprehensive knowledge about it When forming judgments and making decisions, it is natural to aspire to objectivity, logical reasoning, and the ability to consider and assess all available information. However, these biases can occasionally impede our progress, leading to flawed decisions and erroneous judgments.
Types of Cognitive Bias
Expand your knowledge on several prevalent cognitive biases that have the potential to distort your thinking.
- Actor-observer bias: The actor-observer bias refers to the inclination to attribute one’s own actions to external factors while ascribing the behavior of others to internal factors. For instance, you may attribute your high cholesterol level to genetic predisposition, while attributing someone else’s high cholesterol level to their unhealthy lifestyle choices like a poor diet and lack of exercise. This bias highlights the tendency to view oneself more favorably and to attribute external circumstances as explanations for personal behavior.
- Anchoring bias: The anchoring bias refers to the inclination to place excessive emphasis on the initial information or “anchor” received when making judgments or decisions. For instance, if you are informed that the average price of a car is a specific amount, you may be inclined to consider any price below that as a good deal without thoroughly exploring other options. This bias can limit your ability to consider alternative possibilities and can be utilized by others to influence your expectations by presenting the initial information strategically.
- Attentional bias: The attentional bias refers to the inclination to selectively focus on certain aspects while disregarding others. When faced with a decision, such as purchasing a car, you may find yourself paying attention to the aesthetics and design of the vehicle while neglecting important factors such as safety ratings and fuel efficiency. This bias can lead to an imbalanced evaluation of options and potentially overlook crucial information necessary for making well-informed choices.
- Availability heuristic: The availability heuristic refers to the tendency to assign greater importance to information that is easily accessible or readily comes to mind. This can lead to overestimating the likelihood or probability of similar events occurring in the future.
- Confirmation bias: Confirmation bias refers to the tendency to selectively favor information that supports one’s preexisting beliefs while disregarding or downplaying evidence that contradicts those beliefs.
- False consensus effect: The false consensus effect is the inclination to overestimate the extent to which others share the same opinions or beliefs as oneself.
- Functional fixedness: Functional fixedness refers to the inclination to perceive objects or people as having a fixed or limited function, restricting our ability to consider alternative uses or roles for them. For instance, someone with functional fixedness may overlook the idea of using a wrench as a makeshift hammer or fail to recognize the leadership potential in a personal assistant.
- Halo effect: The general perception we have of a person can significantly impact our feelings and thoughts regarding their character. This is particularly evident when physical attractiveness influences our evaluation of their other qualities.
- Misinformation effect: This bias refers to the tendency for post-event information to interfere with the accurate recollection of the original event. It is common for our memories to be influenced by what we later hear or learn about the event from others. The recognition of this effect has led to a cautious approach to relying solely on eyewitness information, as it can be susceptible to distortions caused by subsequent information.
- Optimism bias: This bias manifests as a tendency to hold an overly optimistic view of oneself and future outcomes. It leads individuals to believe that they are less likely to experience negative events or misfortune and more likely to achieve success compared to others. This bias can result in an inflated sense of confidence and a skewed perception of risks and probabilities.
- Self-serving bias: This bias refers to the inclination to attribute personal successes to internal factors, such as skills or abilities, while attributing failures or negative outcomes to external factors beyond one’s control. For instance, when you achieve success in a poker game, you attribute it to your strategic thinking and knowledge of the game, but when you lose, you attribute it to bad luck or unfavorable circumstances. This bias allows individuals to preserve their self-esteem and maintain a positive self-image by selectively assigning credit or blame based on the outcome.
- The Dunning-Kruger effect: This psychological phenomenon occurs when individuals overestimate their own abilities or intelligence, particularly in areas where they have limited knowledge or expertise. It is characterized by a lack of self-awareness regarding one’s own incompetence or limitations. For instance, individuals experiencing the Dunning-Kruger effect may confidently believe they possess extensive knowledge or skills in a certain domain, despite evidence suggesting otherwise. This bias can hinder accurate self-assessment and lead to poor decision-making or performance.
Sometimes, the interplay of various biases can impact your thinking and decision-making. For instance, you may experience the misinformation effect, where your memory of an event is distorted by post-event information. As a result, you might mistakenly believe that others share the same memory due to the false consensus effect. These biases can work together, leading to a skewed perception of reality and influencing your judgments and beliefs.
Causes of Bias
Making decisions in a world full of complexity and information overload can be overwhelming if you had to consider every possible option. To cope with this challenge, your mind relies on mental shortcuts called heuristics, which allow for quick decision-making. However, these heuristics can also give rise to cognitive biases, leading to errors in thinking. While heuristics can be remarkably effective, their reliance on simplification can sometimes lead to inaccurate judgments and decision-making.
Cognitive biases can be influenced by various factors, including emotions, individual motivations, cognitive limitations, and social pressures. These elements can shape our thinking and decision-making processes, potentially leading to biases. Additionally, cognitive bias may become more pronounced as individuals age, as decreased cognitive flexibility can impact their ability to consider alternative perspectives and overcome biases.
Impact of Cognitive Bias
Cognitive biases can distort our thinking, and they can also play a role in influencing beliefs, such as conspiracy theories. However, it is important to note that not all cognitive biases are inherently negative. Psychologists suggest that many of these biases actually serve an adaptive purpose by allowing us to make quick decisions, particularly in potentially dangerous or threatening situations.
For instance, imagine walking down a dark alley and perceiving a dark shadow seemingly following you. A cognitive bias might prompt you to assume it is a mugger and compel you to swiftly exit the alley. Although the dark shadow could have been caused by a waving flag, relying on mental shortcuts can often help us avoid danger when rapid decisions are crucial.
Tips for Overcoming Bias
Research indicates that engaging in cognitive training can be effective in reducing the impact of cognitive biases on our thinking processes. If you want to mitigate the influence of biases on your decision-making, there are several strategies you can employ:
- Developing awareness of biases: Take the time to reflect on how cognitive biases might affect your thinking. Research has shown that providing individuals with feedback and information about biases can increase awareness and reduce their impact on decision-making. In fact, a study demonstrated that this type of training led to a significant 29% reduction in the effects of cognitive bias.
- Reflecting on the factors that shape your decision-making process can be beneficial. Are you influenced by factors like overconfidence or personal self-interest? Taking a moment to consider these influences may enhance your ability to make sound and objective choices.
- Engaging in cognitive bias challenge: When you become aware of the factors that are impacting your decisions, actively challenge your biases. Take a step back and consider if there are any overlooked factors that should be taken into account. Assess if you might be giving excessive importance to certain factors or disregarding relevant information simply because it doesn’t align with your perspective. By questioning these aspects and actively challenging your biases, you can enhance your critical thinking skills.
Cognitive bias reduction can have positive implications in the treatment of certain mental health disorders. Cognitive bias modification therapy (CBMT) is an intervention that focuses on targeting cognitive biases to alleviate symptoms. This therapeutic approach has been successfully employed in addressing conditions such as addiction, depression, and anxiety.
Sources
- Wilson CG, Nusbaum AT, Whitney P, Hinson JM. Age-differences in cognitive flexibility when overcoming a preexisting bias through feedback. J Clin Exp Neuropsychol. 2018;40(6):586-594. doi:10.1080/13803395.2017.1398311
- Žeželj I, Lazarević LB. Irrational beliefs. Eur J Psychol. 2019;15(1):1‐7. doi:10.5964/ejop.v15i1.1903
- Sellier AL, Scopelliti I, Morewedge CK. Debiasing training improves decision making in the field. Psychol Sci. 2019;30(9):1371-1379. doi:10.1177/0956797619861429
- Yang R, Cui L, Li F, Xiao J, Zhang Q, Oei TPS. Effects of cognitive bias modification training via smartphones. Front Psychol. 2017;8:1370. doi:10.3389/fpsyg.2017.01370