Implicit personality theory

Implicit personality theory is a psychological concept that says that people consciously and unconsciously relate certain personality traits to each other. The theory holds that people have a tendency to make assumptions about things they do not know about others based on the things they do know. For instance, some people may assume that people who wear glasses are smarter and more serious, while some people make assumptions about the belief systems of other people based on their political or religious affiliation. These assumptions can be made based on simple observation, or can develop after personal contact. They are often made without conscious thought. Assumptions based on such related traits are also known as stereotypes.

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Background

The implicit personality theory has its origins in the theories of social psychologist Solomon E. Asch and was introduced as a concept in the work of two other psychologists, Jerome Seymour Bruner and Renato Tagiuri, during the 1950s. Bruner and Tagiuri referred to the concept as the lay personality theory.

In 1955, psychologist Lee Joseph Cronbach was the first to use the term implicit personality theory. It became a key focus of research by social psychologists Seymour Rosenberg and Andrea Sedlak in the 1960s and 1970s. They determined that people evaluated the traits of others by the traits as they really existed and the traits that the observer perceived, even if these were not present.

Evaluating these concepts proved difficult because researchers had to attempt to differentiate between relationships based on traits that really exist and those that are reinforced by biases, or observers' preconceived ideas. For instance, the connection between children and the trait of innocence is generally accurate, while the assumption that a large, unkempt person who speaks in a harsh voice is mean or dangerous is likely a bias. A person's reputation also plays a part in how these judgments are made, the researchers discovered. For instance, someone who is known to be an aggressive bully is likely to be a suspect if someone the bully knows is attacked.

Researchers have determined that these types of implicit personality trait connections or stereotypes are also factors in what are known as the Big Five personality traits. These traits—openness to experience, conscientiousness, extroversion, agreeableness, and neuroticism—are used by psychologists to conduct personality analyses. They are often part of personality tests administered by businesses and others who are seeking people with specific traits to fill roles in their organization.

Overview

Social psychologists have determined that people have a tendency to make generalized assumptions about others based on implicit ideas about them. Implicit means that something is not expressly stated or a fact, but is an assumption based on other observed or known ideas. For instance, if a person has known many elderly people who are frail and have difficulty performing certain physical tasks, that person may assume that all elderly people fit this category; this person might be surprised to encounter a marathon runner who is in their seventies.

People tend to make these types of generalizations and form stereotypes for a number of reasons, according to psychologists. Such categorizing is efficient. Grouping people according to traits helps the brain save time and energy when new information is encountered, and many people tend to apply this type of mental economy as a matter of course. It also helps to make order out of the world; such broad categorizations allow for the formation of assumptions when one or two facts are known about a person and others are automatically assumed. This minimizes the unknown and uncertainty, which often cause mental discomfort. Finally, it allows people to determine who is like them and who is not like them. This, combined with the human bias toward those like us, helps people to find their place among others they encounter.

The problem with this is that not all such implied biases are true. Stereotypes may have some germ of truth to them, but that does not mean that a stereotype is automatically true for every person in that group. For example, people sometimes object to having a drug recovery half-way house in their community because they believe that the people living there will bring drugs and crime into the neighborhood. This is based on the assumption that all addicts are criminals, which is not necessarily true. It is also based on another assumption often made as part of the implicit personality theory: that personality traits are fixed and cannot be changed. The assumptions a person holds related to the changeability of the traits of others and the stereotypes that person holds related to those traits can be a factor in conflicts between that person and other individuals. This often happens without either party being aware of it.

For instance, two college roommates meet the day they move into their dorm. One, who likes things neat and tidy, observes that the other simply dumps belongings on the bed as they are carried in. The first roommate considers this an example of disregard for belongings and associates this trait with someone who keeps a messy, sloppy room. If the first roommate also assumes this is a trait that cannot be changed, they may automatically assume the roommates will have a conflict over the room's cleanliness, and may even be hypersensitive to anything left out of place. This may become an ongoing conflict, especially since the first person assumes that the second is incapable of changing the behavior.

These assumptions about traits can become self-reinforcing. For instance, if a person believes that all people affiliated with a particular ethnic group are loud and friendly, that person will be more inclined to notice times when people in that group exhibit those traits. This will reinforce the person's assumptions. This tendency is also one reason why people find it so difficult to give up stereotypes.

Bibliography

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Russell A. Jones. Self-Fulfilling Prophecies : Social, Psychological, and Physiological Effects of Expectancies. Routledge, 2025. 

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Libowitz, Shana. "Scientists Say Your Personality Can Be Deconstructed into 5 Basic Traits." Business Insider, 27 Dec. 2016, www.businessinsider.com/big-five-personality-traits-2016-12. Accessed 10 Dec. 2024.

Rosenberg, Seymour and Andrea Sedlak. "Structural Representations of Implicit Personality Theory." Advances in Experimental Social Psychology, vol. 6, 1972, pp. 235-97, doi.org/10.1016/S0065-2601(08)60029-5. Accessed 10 Dec. 2024.

Schleider, Jessica L., and Hans S. Schroder. “Implicit Theories of Personality across Development: Impacts on Coping, Resilience and Mental Health.” The SAGE Handbook of Personality and Individual Differences: The Science of Personality and Individual Differences., Sage Reference, 2018, pp. 152–70, doi.org/10.4135/9781526451163.n7. Accessed 10 Dec. 2024.

"Social Perception." Lane Community College, 23 Mar. 2009, media.lanecc.edu/users/kime/Psy203Ch12B.pdf. Accessed 10 Dec. 2024.

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