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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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was effected by

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "was effected by" is not correct in standard English; the correct phrase is "was affected by." You can use "was affected by" to describe how something has been influenced or changed by an external factor.
Example: "The project was affected by the unexpected budget cuts, leading to delays in its completion."

⚠ May contain grammatical issues

Science

Encyclopedias

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

A great improvement was effected by placing the graduated circle in a horizontal position.

Encyclopedias

Britannica

A compromise between the new flower garden and the Brownian park was effected by Humphry Repton.

Encyclopedias

Britannica

Caesar also planned to refound Carthage, and this was effected by Augustus.

Encyclopedias

Britannica

Wall motion was effected by the use of pulsatile flow produced from a gear pump.

A transformation from light to darkness was effected by the agile skill of the candle snuffers.

This was effected by having Russian and other communist officials in ministries.

A limited uncensored circulation of literary manuscripts was effected by private copying; a few authors had their manuscripts published abroad.

Encyclopedias

Britannica

The assignment was effected by an exchange of diplomatic correspondence between the Soviet Government and the United States.

The entire HC contour and its ratio of length/width was effected by HC propagation and rail wear.

United States v. Ramirez, supra, involved a claim that police entry violated the Fourth Amendment because it was effected by breaking a window.

The incorporation of the aromatic diamine 2-methylimidazole as template in the synthesis of hybrid sulfate salts with transition metal was effected by the slow evaporation method.

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Expert writing Tips

Best practice

Avoid using "was effected by" in formal writing. Instead, opt for more precise and grammatically accepted alternatives such as "was influenced by" or "was impacted by" to ensure clarity and correctness.

Common error

Many writers mistakenly use "effected" when they mean "affected". Remember that "affect" (with an 'a') typically functions as a verb meaning to influence, while "effect" (with an 'e') is usually a noun meaning a result or consequence. Therefore, use "was affected by" to show influence.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "was effected by" functions as a passive construction, attempting to describe how an action or influence has brought about a result. However, it's often misused in place of "was affected by". As Ludwig AI points out, the more accurate phrase is "was affected by."

Expression frequency: Very common

Frequent in

Science

35%

Encyclopedias

15%

News & Media

15%

Less common in

Academia

10%

Wiki

5%

Formal & Business

5%

Ludwig's WRAP-UP

In summary, the phrase "was effected by" is commonly used to express that something has been influenced or caused by a particular factor. However, this phrase is generally considered grammatically incorrect; the correct alternative is "was affected by". Although the phrase appears in various contexts, including science, encyclopedias, and news media, writers should aim for clarity and correctness by using alternatives like "was influenced by" or "was impacted by". As Ludwig AI confirms, "was affected by" is the preferred and grammatically sound choice.

FAQs

Is "was effected by" grammatically correct?

No, "was effected by" is generally considered incorrect. The correct phrase to use when indicating influence or impact is "was affected by". The verb "affect" means to influence something, while "effect" typically functions as a noun meaning result.

What can I say instead of "was effected by"?

You can use alternatives like "was influenced by", "was impacted by", or "was caused by" depending on the intended meaning.

Which is correct, "was effected by" or "was affected by"?

"Was affected by" is the correct choice when you want to express that something has been influenced or changed by something else. "Was effected by" is rarely appropriate and often a mistake.

What's the difference between "was affected by" and "was influenced by"?

While both phrases indicate that something has undergone change due to an external factor, "was affected by" generally implies a more direct or significant impact, whereas "was influenced by" suggests a more subtle or indirect change.

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Most frequent sentences: