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System justification theory

System justification theory is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand System justification theory rather than just read about it. In short: System justification theory is a theory within social psychology that system-justifying beliefs serve a psychologically palliative function. It proposes that people have several underlying needs, which vary from individual to individual, that can be satisfied by the defense and justification of the status quo, even when the system may be disadvantageous to certain people.

Key takeaways

  • System justification theory belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect System justification theory to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of System justification theory from memory before moving on to harder problems.

Reference excerpt

System justification theory is a theory within social psychology that system-justifying beliefs serve a psychologically palliative function. It proposes that people have several underlying needs, which vary from individual to individual, that can be satisfied by the defense and justification of the status quo, even when the system may be disadvantageous to certain people. People have epistemic, existential, and relational needs that are met by and manifest as ideological support for the prevailing structure of social, economic, and political norms. Need for order and stability, and thus resistance to change or alternatives, for example, can be a motivator for individuals to see the status quo as good, legitimate, and even desirable. According to system justification theory, people desire not only to hold favorable attitudes about themselves (ego-justification) and the groups to which they belong (group-justification), but also to hold positive attitudes about the overarching social structure in which they are entwined and find themselves obligated to (system-justification). This system-justifying motive sometimes produces the phenomenon known as out-group favoritism, an acceptance of system-consistent oppressive beliefs and stereotypes among low-status groups and viewing higher-status groups in a relatively positive image. Thus, the notion that individuals are simultaneously supporters and victims of system-instilled norms is a central idea in system justification theory. Additionally, the passive ease of supporting the current structure, sustained by the palliative function of system-justifying beliefs that overstate the perceived costs (material, social, or psychological) of altering the status quo, leads to resistance in which the existing social, economic, and political arrangements tend to be preferred. Alternatives to the status quo tend to be disparaged, and inequality continues to perpetuate.

Origins Previous social psychological theories that aimed to explain intergroup behavior typically focused on the tendencies for people to have positive attitudes about themselves (ego-justification) and their self-relevant groups (group-justification). In other words, people are motivated to engage in behaviors that allow for them to maintain a high self-esteem and a positive image of their group. System Justification theory addressed the additional, prevalent phenomenon known as out-group favoritism, in which people defend the social systems (status quo) even when it does not benefit, and in the long-run may even cause more harm, to the individual or the group to which he or she belongs. Out-group favoritism can manifest as a dis-identification on the part of members of lower social status with their own categorical grouping (social, ethnic, economic, political) and instead further support for the existing structure. Prior social psychology theories lacked explanation for and attention given to popular instances of out-group favoritism; thus, system justification theory was developed to further explain and understand why some people tend to legitimize the prevailing social systems, despite their being against one's interests, in a way that previous social psychological theories did not.

Theoretical influences While social identity theory, cognitive dissonance theory, the just-world fallacy, social dominance theory, and false consciousness have heavily influenced system justification theory, it has also expanded on these perspectives, infusing them with the system-justification motive and behaviors.

Cognitive dissonance theory

One of the most popular and well-known social psychological theories, cognitive dissonance theory explains that people have a need to maintain cognitive consistency in order to retain a positive self-image. System justification theory builds off the cognitive dissonance framework, in that it posits people will justify a social system in order to retain a positive image of that social system, due to the fact that they inherently play a role (whether passive or active) in perpetuating it.

Social identity theory

Jost and colleagues interpret social identity theory as suggesting that when people are presented with intergroup conflict that threatens their social group identities people will justify behaviors like stereotyping and discrimination against outgroups in order to maintain their positive group image. People with out-group favoritism will hold more positive images of other, often higher-status, groups (outgroups) than the groups they belong to (ingroups). Thus, the argument is that system justification theory builds on the foundations of social identity theory in attempting to account for the out-group favoritism observed in many disadvantaged group members that social identity theory does not.

Social dominance theory

This theory has widely been compared to system justification theory since they are both system-justifying theories. Social dominance theory focuses on people's motive to maintain a positive group image by generally supporting hierarchical inequality at the group level. Individuals with a high social dominance orientation (SDO) will hold myths that tend to be hierarchy-enhancing, which justify an in-group's place and their relation to it. Thus, in both social dominance theory and system justification theory, there are common threads of group-based opposition to equality and justification for maintaining intergroup inequalities through systemic norms.

Belief in a just world

According to the just world fallacy, people are inclined to believe the world is generally fair, and that the outcomes of people's behavior are subsequently deserved. Ideologies that relate to belief in a just world have to do with maintaining a sense of personal control and a desire to understand the world as non-random. Such ideologies include the Protestant work ethic and belief in meritocracy. Essentially, belief in a just world feeds an epistemic need for predictability, order, and stability in one's environment. System justification theory, while keeping the perspective that people are inclined to believe the world is just, extracts the underlying epistemic needs of the just world ideology and uses them as support for why people are motivated to uphold the system. In other words, preference for stability, predictability, and the perception of personal control, over random chance, motivates one to see the status quo as fair and legitimate.

False consciousness

… excerpt ends here. Continue reading the full article.

Worked examples

Example 1 — a first encounter with System justification theory

Start with the simplest possible case. Write down what System justification theory claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to System justification theory before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about System justification theory ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of System justification theory

In research
System justification theory appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses System justification theory in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
System justification theory is common in secondary-school and first-year university syllabi. It links to neighbouring topics Barriers to critical thinking, Cognitive inertia, Conformity, so understanding it makes those chapters shorter.
In everyday life
Look for System justification theory outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study System justification theory in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what System justification theory means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain System justification theory out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is System justification theory in simple terms?

System justification theory is a theory within social psychology that system-justifying beliefs serve a psychologically palliative function. It proposes that people have several underlying needs, which vary from individual to individual, that can be satisfied by the defense and justification of the…

Why does System justification theory matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study System justification theory?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on System justification theory.

Tags

  • Barriers to critical thinking
  • Cognitive inertia
  • Conformity
  • Error
  • Group processes
  • Moral psychology
  • Political psychology
  • Social phenomena
  • Social theories
  • Waste of resources

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