Self-serving bias

Self-serving bias is a psychological theory stating that people are more likely to attribute their success to their own actions and character traits while attributing their problems to outside factors. Self-serving bias, which is a type of cognitive bias, affects people’s attitudes, memories, and actions and can be individualized or relate to an entire group (e.g., a certain nationality). Self-serving bias, like other psychological biases, can make people perceive situations in a biased way, even when they believe that they are being fair and impartial.

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Background

Self-serving bias can happen in many different situations. For example, suppose that two students take a test. If Student A performs well on the test and has self-serving bias, the student will likely believe that the good performance on the test happened because they studied or because of intelligence. If Student B performs poorly on the test and has self-serving bias, they are more likely to blame the teacher for not teaching the material well enough. Self-serving bias can also happen over a span of time. A person who is wealthy and successful is more likely to attribute that financial success to personality traits than to external forces. Researchers have also shown that self-serving bias increases when a perceived threat increases. That means that people who feel threatened are more likely to think that their success is due to their own talents and characteristics and are more likely to blame problems they face on external factors and the environment.

Overview

Self-serving bias can affect people’s memories. Many studies have been completed showing that people remember incidents in which they succeeded or worked hard to succeed more often than they remember failing or not preparing for something. Furthermore, studies have shown that people’s memories can be altered because of self-serving bias. A study on children involved completing giving and taking tasks. Right after the experiment, the children were asked to recount the number of times other children gave or took something. Then, the children were asked the same questions one week and one month after the tasks. The children’s memories of their peers’ taking things increased both at the one-week and the one-month mark, on average. That means that children’s memories of events changed to indicate that their peers took more than they actually took.

Self-serving bias can also affect people’s behavior. Scientists have conducted studies to show how people’s information-seeking behavior changes because of self-serving biases. In these experiments, researchers tested individuals on completing certain tasks. They found that people who are good at the task are more likely to want information about the task and their performance. In other words, the people who did a good job wanted to be told that they had done a good job. In contrast, those who performed poorly on the task were more ambivalent about finding out information about their performance on the task. In other words, the people who did a bad job on the task did not necessarily want to be told that they had done a bad job. Similarly, scientists have found that the brain’s pleasure centers are engaged when people hear information that they agree with or that benefits them. So, people are more likely to seek out information that supports their beliefs. How people choose news outlets is an example of this. People are more likely to choose to read, watch, or listen to news outlets that confirm their beliefs because this makes them feel good.

Self-serving bias can also affect how people think about certain characteristics. Researchers have found that people define certain characteristics based on the way that they see themselves. For example, one experiment had participants use words such an ambitious and competitive or friendly and pleasant to describe themselves. Then the researchers had the same participants explain which characteristics made a good leader. Those who said they were ambitious and competitive were more likely to believe those traits were important for leaders. Those who said they were friendly and agreeable were more likely to identify those traits as being important for leaders to possess.

Another study indicated that self-serving bias can even affect international policies and politics. In this study, the authors proposed that self-serving bias can cause people to believe that what is good for them is also fair. The researchers showed that college students in the United States and China, both countries that emit large amounts of carbon, had self-serving ideas about whether their country should have an economic obligation to help mitigate carbon emissions.

Although many people have a self-serving bias, those with depression may experience self-serving bias in a reverse fashion. Often, people who are depressed have low self-esteem, which can cause them to attribute their failures to their own actions or personality. It can also make them attribute their successes to the environment or other random factors. Similarly, people who feel more powerful often have a strong self-serving bias. Some researchers believe that this may make people with jobs or roles (e.g., politician, law enforcement officer) that give them more power have stronger self-serving biases. Yet, researchers also believe that helping people understand self-serving bias could help them become better leaders.

Bibliography

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Cherry, Kendra. “Self-Serving Bias: What It Is, Examples, Negative and Positive Effects.” Very Well Mind, 7 July 2023, www.verywellmind.com/what-is-the-self-serving-bias-2795032. Accessed 12 Aug. 2024.

Herndon, Jaime. “What Is a Self-Serving Bias and What Are Some Examples of It?” HealthLine, 31 May 2018, www.healthline.com/health/self-serving-bias. Accessed 16 Dec. 2019.

Kriss, Peter H., et al. “Behind the Veil of Ignorance: Self-Serving Bias in Climate Change Negotiations.” Judgment and Decision Making, vol. 6, no. 7, 2011, pp. 602–15.

Malsam, William. “The Dangers of Self-Serving Bias at the Workplace.” Project Manager, 1 Apr. 2019, www.projectmanager.com/blog/self-serving-bias-workplace. Accessed 16 Dec. 2019.

Ruhl, Charlotte. "Self-Serving Bias in Psychology." SimplyPsychology, 3 Aug. 2023, www.simplypsychology.org/self-serving-bias.html. Accessed 12 Aug. 2024.

“Self-Serving Bias.” Ethics Unwrapped, ethicsunwrapped.utexas.edu/glossary/self-serving-bias. Accessed 16 Dec. 2019.

Zhang, Yanchi, et al. “Self-Serving Bias in Memories; Selectively Forgetting the Connection between Negative Information and the Self.” Experimental Psychology, vol. 65, no. 4, 2018, pp. 236–44.