science

Reciprocal construction

Reciprocal construction 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 Reciprocal construction rather than just read about it. In short: A reciprocal construction (abbreviated recp) is a grammatical pattern in which each of the participants occupies both the role of agent and patient with respect to the other. An example is the English sentence John and Mary criticized each other: John criticized Mary, and Mary criticized John.

Key takeaways

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

Reference excerpt

A reciprocal construction (abbreviated recp) is a grammatical pattern in which each of the participants occupies both the role of agent and patient with respect to the other. An example is the English sentence John and Mary criticized each other: John criticized Mary, and Mary criticized John. Reciprocal constructions can be said to express mutual relationships. Many languages, such as Semitic languages, Altaic languages or Bantu languages, have special reciprocal affixes in verbs. For example, Turkish reciprocal constructions which might also have slightly different meanings than the verbs they originate from, have the suffix -iş (-ış, -uş or -üş depending on the vowel harmony):

Other languages, including English, use reciprocal pronouns such as "each other" to indicate a mutual relation. Latin uses the preposition inter and its reflexive pronoun inter se (between themselves) when the verb is third person. Most Indo-European languages do not have special reciprocal affixes on verbs, and mutual relations are expressed through reflexive constructions or other mechanisms. For example, Russian reciprocal constructions have the suffix -sja (-ся, 'self'), which also has reflexive and passive interpretations.

See also Reciprocal pronoun Reflexive verb

External links Haspelmath, Martin. 2007. Further remarks on reciprocal constructions. In: Nedjalkov, Vladimir P. (ed.) Reciprocal constructions. 5 vols. Amsterdam: Benjamins, 2087-2115.

Worked examples

Example 1 — a first encounter with Reciprocal construction

Start with the simplest possible case. Write down what Reciprocal construction 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 Reciprocal construction 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 Reciprocal construction 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 Reciprocal construction

In research: Reciprocal construction 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 Reciprocal construction 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: Reciprocal construction is common in secondary-school and first-year university syllabi. It links to neighbouring topics Semantics, Syntax stubs, Transitivity and valency, so understanding it makes those chapters shorter.
In everyday life: Look for Reciprocal construction 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Reciprocal construction in 20 minutes

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

Frequently asked questions

What is Reciprocal construction in simple terms?

Why does Reciprocal construction 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 Reciprocal construction?

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 Reciprocal construction.