What Are Theories of Social Psychology?


Diego Sanchez

Social psychology is a fascinating field that studies how individuals interact with others and how they are influenced by the social environment. Theories of social psychology help us understand these complex interactions and provide a framework for explaining human behavior.

There are several theories of social psychology, each of which offers unique insights into the ways in which people think, feel, and behave in social situations. Let’s take a closer look at some of the most important theories.

Social Identity Theory

Social identity theory posits that individuals define themselves based on their membership in various social groups. These groups can include anything from race and ethnicity to religion, gender, and even professional affiliations.

According to this theory, people have an innate drive to belong to groups that they perceive as positive and desirable. They may also seek to distance themselves from groups that they see as negative or undesirable.


For example, someone who identifies strongly with their religious community might feel a strong sense of belonging and connection when they attend religious services or events. On the other hand, if they encounter someone who holds different religious beliefs or values, they may feel threatened or excluded.

Cognitive Dissonance Theory

Cognitive dissonance theory suggests that people experience psychological discomfort when their beliefs or actions are inconsistent with one another. This discomfort can lead individuals to change their beliefs or behaviors in order to reduce the dissonance.

For example, if someone believes strongly in environmental conservation but regularly drives a gas-guzzling SUV, they may experience cognitive dissonance. To reduce this discomfort, they might start driving a more fuel-efficient car or actively support environmental causes.

Social Learning Theory

Social learning theory proposes that people learn by observing the behavior of others around them. They then imitate this behavior based on whether it is rewarded or punished.

For example, a child who watches their parents engage in volunteer work might be more likely to volunteer themselves later in life. Conversely, if a child observes their parents engaging in unethical or illegal activities and suffering negative consequences as a result, they may learn to avoid these behaviors.

Social Exchange Theory

Social exchange theory suggests that people make decisions based on the perceived costs and benefits of a given situation. This theory assumes that individuals are rational actors who carefully weigh the potential outcomes of their choices before deciding how to act.

For example, someone might choose to attend college because they believe it will provide them with better job opportunities later in life. However, if they also perceive that the cost of attending college is too high (e.g., expensive tuition fees), they might decide against pursuing higher education.


These are just a few examples of the many theories of social psychology that exist today. By studying these theories and applying them to real-life situations, we can gain a deeper understanding of why people behave the way they do in social situations and how we can influence or change these behaviors.