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Norm of reciprocity

Norm of reciprocity 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 Norm of reciprocity rather than just read about it. In short: The norm of reciprocity requires that people repay in kind what others have done for them. It can be understood as the expectation that people will respond to each other by returning benefits for benefits, and with either indifference or hostility to harms.

Key takeaways

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

Reference excerpt

The norm of reciprocity requires that people repay in kind what others have done for them. It can be understood as the expectation that people will respond to each other by returning benefits for benefits, and with either indifference or hostility to harms. The social norm of reciprocity may take different forms in different areas of social life, or in different societies. This is distinct from related ideas such as gratitude, the Golden Rule, or mutual goodwill. See reciprocity (social and political philosophy) for an analysis of the concepts involved. The norm of reciprocity mirrors the concept of reciprocal altruism in evolutionary biology. However, evolutionary theory and therefore sociobiology was not well-received by mainstream psychologists. This led to reciprocal altruism being studied instead under a new social-psychological concept: the norm of reciprocity. Reciprocal altruism has been applied to various species, including humans, while mainstream psychologists use the norm of reciprocity only to explain humans. A norm of reciprocity motivates, creates, sustains, and regulates the cooperative behavior required for self-sustaining social organizations. It limits the damage done by unscrupulous people, and contributes to social system stability. For more details, see the discussions in tit for tat and reciprocity (social psychology). The power and ubiquity of the norm of reciprocity can be used against the unwary, however, and is the basis for the success of many malicious confidence games, advertising and marketing campaigns, and varieties of propaganda in which a small gift of some kind is proffered with the expectation of producing in the recipient an eagerness to reciprocate (by purchasing a product, making a donation, or becoming more receptive to a line of argument). For some legal scholars, reciprocity underpins international law "and the law of war specifically". Until well after World War II ended in 1945, the norm of reciprocity provided a justification for conduct in armed conflict. British jurist Hersch Lauterpacht noted in 1953 that "it is impossible to visualize the conduct of hostilities in which one side would be bound by rules of warfare without benefiting from them and the other side would benefit from rules of warfare without being bound by them."

Positive and negative The norm of reciprocity has positive and negative aspects.

Positive norm of reciprocity: "The embedded obligations created by exchanges of benefits or favours among individuals. The recipient feels indebted to the favour or benefit giver until he/she repays". The positive reciprocity norm is a common social expectation in which a person who helps another person can expect positive feedback whether in the form of a gift, a compliment, a loan, a job reference, etc. In social psychology, positive reciprocity refers to responding to a positive action with another positive action (rewarding kind actions). This norm is so powerful, it may allow the initial giver to ask for something in return for what was given rather than having to wait for a voluntary reciprocal act. In some cases a person does not have to ask, because an expectation to return the favor is already implied. Reciprocity also works at the level of liking; We like people who help us, and dislike those who ask for help but never return it. Such disapproval is often enough to make people comply with the norm of reciprocity. Negative norm of reciprocity: "A negative norm of reciprocity represents the means by which individuals act against unfavourable treatments, and functions to keep balance in social systems". In contrast to the positive reciprocity norm, the negative reciprocity norm emphasizes the return of unfavourable treatment as an appropriate response to a misdeed. The principle of this norm serves as a powerful deterrent for violent or symbolic mistreatment. Harming others invites anger and revenge; people receiving negative treatment are likely to retaliate angrily. People with a propensity towards anger may more strongly endorse the negative reciprocity norm as a justification for consummating their hostility by punishing the instigator of mistreatment. In one study, most college students believed that criminal punishment should be determined by the seriousness of the crime rather than by punishment's effectiveness in preventing similar crimes. There are contrasting ways to differentiate negative and positive norms of reciprocity. "In contrast to a positive norm of reciprocity Gouldner (1960) also suggested a negative norm of reciprocity or sentiments of retaliation where the emphasis is placed not on the return of benefits but on the return of injuries". So the norm may be characterized primarily in either a positive or negative way. However "both positive and negative norms or reciprocity serve as starting mechanisms as well as stabilizing functions in that they help initiate and maintain equitable interpersonal exchanges in human evolution".

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Worked examples

Example 1 — a first encounter with Norm of reciprocity

Start with the simplest possible case. Write down what Norm of reciprocity 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 Norm of reciprocity 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 Norm of reciprocity 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 Norm of reciprocity

In research
Norm of reciprocity 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 Norm of reciprocity 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
Norm of reciprocity is common in secondary-school and first-year university syllabi. It links to neighbouring topics Advertising, Ethical principles, Interpersonal relationships, so understanding it makes those chapters shorter.
In everyday life
Look for Norm of reciprocity 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 Norm of reciprocity in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Norm of reciprocity 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 Norm of reciprocity out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Norm of reciprocity in simple terms?

The norm of reciprocity requires that people repay in kind what others have done for them. It can be understood as the expectation that people will respond to each other by returning benefits for benefits, and with either indifference or hostility to harms.

Why does Norm of reciprocity 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 Norm of reciprocity?

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 Norm of reciprocity.

Tags

  • Advertising
  • Ethical principles
  • Interpersonal relationships
  • Moral psychology

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