a marked affect

USAGE SUMMARY

The phrase "a marked affect" is not correct in standard English; it should be "a marked effect." You can use "a marked effect" when describing a significant or noticeable impact or change resulting from a particular cause.
Example: "The new policy had a marked effect on employee productivity, leading to improved performance across the board."

⚠ May contain grammatical issues

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

8 human-written examples

"But beyond the next year or two, I don't think it is going to have a marked affect on commodity prices.

The New York Times

Previous studies have shown that exposure to bright light can have a marked affect on alertness.

BBC

By contrast, interfering with PhuZ filament dynamics has a marked affect on phage DNA positioning (Kraemer et al., 2012).

eLife

However, this should not be regarded to have a marked affect on the results, since genetic nature of SNP is generally unlikely to change with age.

Behavioral and Brain Functions

Overall we see that changing the substrate from H3 to H3/H4 tetramer or varying whether we limit acetyl-CoA levels or substrate has a marked affect on the ability of both p300 and CBP to acetylate the residues of H3 and H4.

Biochemistry

For both microbial and mammalian fermentations, pH is a vital process parameter as it has a marked affect on cell growth rate, viability and product synthesis.

Biochemical Engineering Journal

Human-verified similar examples from authoritative sources

Similar Expressions

52 human-written examples

A temperature gradient of the magnitude relevant to catalytic converters is shown to have a very marked affect upon the wave attenuation.

Journal of Sound and Vibration

Findings suggest that the brushing protocol had no marked affect on levels of stereotypy.

Research in Autism Spectrum Disorders

The lesbian, gay, bisexual and transgender (LGBT) community will be in mourning for a long, long time -- and, as a community, we have been irrevocably marked, affected and reminded.

Huffington Post

Finally, we and others have previously reported that modifications in CTT length or amino acid composition can have marked affects on global Env structure and function, including virion incorporation, fusogenicity, and antibody reactivity.

Plosone

We mark affects expressed more↑ by military or control users.

EPJ Data Science

Expert writing Tips

Best practice

Always double-check whether you need "affect" (verb) or "effect" (noun). In most cases where you're describing an impact, "effect" is the correct choice after articles like 'a' or 'the'.

Common error

Don't use "affect" as a noun. "Affect" is primarily a verb meaning to influence, while "effect" is typically a noun referring to the result of an influence. Remember: something has an effect; something affects something else.

Linguistic Context

The phrase "a marked affect" is intended to function as a noun phrase, acting as the subject or object in a sentence. However, it is grammatically incorrect, as pointed out by Ludwig AI. It should be "a marked effect", where "marked" modifies the noun "effect".

Expression frequency: Common

Frequent in

Science

60%

News & Media

33%

Formal & Business

7%

Less common in

Wiki

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "a marked affect" is generally considered grammatically incorrect. As Ludwig AI indicates, the correct form is "a marked effect", which serves to describe a noticeable or significant result. While its intended function is to act as a noun phrase emphasizing impact, the misuse of "affect" as a noun detracts from its effectiveness. It's most commonly found in science and news contexts, but remember to use "effect" to maintain grammatical correctness and professional tone. To avoid confusion, consider alternatives like "a significant "impact"" or "a noticeable "change"".

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a significant effect

Replaces "marked" with "significant", emphasizing the importance of the impact and correcting the noun used.

a noticeable impact

Substitutes "marked" with "noticeable" and "affect" with "impact", highlighting the ease with which the change can be observed, while correcting the term.

a pronounced effect

Changes "marked" to "pronounced", indicating a very clear and definite effect, correcting the original form.

a considerable influence

Replaces the phrase with "considerable influence", focusing on the power to produce a change in something, correcting the term.

a substantial impact

Emphasizes the magnitude of the effect by using "substantial" instead of "marked", correcting the term.

a striking effect

Highlights the impressiveness of the effect by using "striking", while correcting the term.

a tangible impact

Indicates that the effect is concrete and measurable, using "tangible" and correcting the term.

a distinct effect

Suggests the effect is easily distinguishable or clear, while correcting the term.

a powerful influence

Conveys a strong ability to have an effect, while correcting the term.

a clear effect

Highlights that the effect is unambiguous and easy to perceive, correcting the term.

FAQs

What's the correct way to use "a marked affect" in a sentence?

The phrase "a marked affect" is generally considered grammatically incorrect. The correct phrasing is "a marked "effect"", using "effect" as a noun to describe the result or consequence of something.

When should I use "affect" vs. "effect"?

"Affect" is primarily used as a verb meaning to influence or produce a change in something. "Effect" is primarily used as a noun meaning a result or consequence. For example, "The policy affected the outcome," and "The policy had a significant "effect"".

What are some alternatives to "a marked affect" that correctly convey the intended meaning?

Instead of "a marked affect", you can use phrases like "a significant "impact"", "a noticeable "change"", or "a pronounced "influence"". These alternatives use "effect" and synonyms to ensure grammatical correctness.

Is "a marked affect" ever correct?

In almost all contexts, "a marked affect" is incorrect. The noun form should be "effect". "Affect" is mainly a verb, but it can also be a noun in psychology, referring to emotion or feeling, which is rarely what's intended with this phrase. Therefore, using "a marked "effect"" is nearly always the right choice.